Drew Callahan, Author at Rolling Rambles

How to Install an RV Door Lock: A Step-by-Step DIY Guide (Tools, Measurements, and the Mistakes That Wreck a Door Frame)

Drew Callahan · February 10, 2026

A Complete Guide to Better Security on the Road

Is your RV door lock sticking, or won’t it turn the key all the way? Before you assume you need a full replacement, here’s what actually matters: most lock failures aren’t the lock itself — they’re installation mistakes that warp the assembly against the door, or mismatches between your existing cutout and whatever replacement you … Read more

RV Inverter Sizing, Wiring & Fusing: The Complete Installation Guide

Drew Callahan · February 9, 2026

A close-up shot of modern lithium battery cells arranged in a compact bank inside an RV, with soft natural light filtering through a nearby window illuminating the sleek gray and black battery casings. The batteries are mounted securely on a clean white wall, with thick red and black cables connecting them in parallel configuration. In the foreground, slightly out of focus, sits a digital battery monitor display showing charge levels, while the background reveals part of the RV's interior wooden cabinetry. The lighting creates gentle shadows that emphasize the professional installation, and the overall composition has that authentic DIY vanlife aesthetic popular on Instagram, shot from a slightly elevated angle with a smartphone camera's natural depth of field.

Getting the Inverter Right Is Its Own Project Picking an inverter is the easy part. Sizing it correctly, wiring it with the right cable gauge, and protecting it with the right fuse is where most DIY installs go wrong — and where the consequences aren’t cosmetic. This guide is narrowly focused on that installation math: … Read more

AGM vs Lithium: Choosing the Right RV Battery Bank for Solar & Off-Grid Power

Drew Callahan · February 9, 2026

A close-up overhead shot of hands holding thick copper electrical cables with exposed wire ends against the white roof of an RV, with a large silver inverter unit and blue deep-cycle batteries visible in the background, natural sunlight streaming through an open RV door creating dramatic shadows across the installation workspace, shot in authentic DIY style with shallow depth of field focusing on the cable gauge comparison, warm afternoon lighting highlighting the copper wire strands and professional crimped connectors

Of all the decisions in a solar or off-grid electrical build, the battery bank is the one that’s genuinely hard to walk back. Panels and inverters are relatively easy to swap later; a battery bank is a bigger investment, and picking the wrong chemistry for how you actually camp means re-buying it sooner than you’d … Read more

Complete RV Electrical System: Wiring Solar Panels, Battery Banks & Inverters for Off-Grid Power

Drew Callahan · February 8, 2026

several dark blue photovoltaic solar panels with their distinctive grid pattern of cells catching natural sunlight streaming through a nearby window, a deep cycle battery with visible terminals and casing, a compact inverter unit with cooling fins and ventilation slots, and a charge controller device with its characteristic heat sink design. The components are positioned with intentional spacing between them, creating a visually balanced composition. Warm morning sunlight creates soft shadows and highlights the metallic surfaces and technical details of each component. The scene is captured with shallow depth of field, giving it an authentic DIY project documentation feel typical of off-grid lifestyle Instagram posts. Small tools like wire strippers and a multimeter rest casually near the edges of the frame, suggesting an in-progress installation project. The natural wood grain texture of the workbench adds warmth to the technical subject matter.

Understanding RV Solar Power Systems The Freedom of Off-Grid RV Living Imagine waking up to a pristine mountain vista or desert sunrise. Your RV sits miles from the nearest campground. Off-grid electrical systems make this dream a daily reality. You’re no longer tethered to crowded RV parks or expensive hookup fees. Furthermore, you gain the … Read more

How to Level Your RV Like a Pro: Campsite Leveling Tips

Drew Callahan · February 8, 2026

A bleary-eyed camper sitting up in a slightly tilted RV bed at golden hour dawn, hair disheveled, squinting with confusion as a water bottle rolls slowly across the small wooden fold-out table nearby, warm amber morning light filtering through sheer curtains casting long diagonal shadows across the interior, coffee mug visibly leaning on the uneven surface, rumpled plaid flannel blankets twisted around the figure, the cozy but clearly off-kilter interior of a vintage motorhome visible in soft natural light, authentic candid lifestyle photography with shallow depth of field, muted earth tones and warm golden hues, shot on a 35mm lens with slight grain texture for that real documentary feel

Why Leveling Your RV Correctly Matters More Than You Think Arriving at a beautiful campsite feels amazing. However, that excitement can quickly fade if you skip proper RV leveling. An unlevel RV causes more than just discomfort — it creates serious mechanical problems that cost thousands to repair. The part that fixed it: The leveling … Read more

How to Level Your RV on Sloped, Soft, or Off-Grid Terrain

Drew Callahan · February 7, 2026

A sun-drenched campsite scene captured in warm golden hour light, showing a large white and silver RV perfectly parked on a flat gravel pad surrounded by towering pine trees. In the foreground, a collection of sturdy orange and yellow plastic leveling blocks and wheel chocks are stacked neatly beside a worn canvas bag, their surfaces showing subtle scuffs and weathering that hint at many camping seasons of reliable use. The late afternoon sunlight filters through the pine canopy, casting long dappled shadows across the scene. A pair of worn hiking boots rests nearby, suggesting an experienced camper's well-loved gear. The RV's door is open, with a folding camp chair visible on the leveled outdoor mat beside it, and a small potted succulent on the step adding a homey touch. The overall mood is warm, practical, and adventurous, shot with a slightly shallow depth of field that keeps the leveling blocks sharp in the foreground while the majestic forest backdrop softly blurs into a rich green bokeh.

When There’s No Level Pad to Park On Paved campground pads with a hookup on each side are the easy case. The harder case — the one that actually causes problems — is a dispersed boondocking spot, a sloped forest clearing, or a gravel pull-off that was never graded flat. When you don’t get to … Read more

RV Won’t Level? Troubleshooting Common Leveling Problems and Fixes

Drew Callahan · February 7, 2026

A sun-drenched campsite scene captured in warm golden hour light, showing a large white and silver RV perfectly positioned on a flat gravel pad surrounded by towering pine trees. The wide-angle shot reveals a spirit level tool resting on the RV's bumper, catching the afternoon light with a satisfying bubble centered perfectly between the lines. A pair of weathered hands confidently place wooden leveling blocks under the rear tire, the action frozen mid-motion in sharp focus while the lush forest background softly blurs into a dreamy bokeh. The RV's door is open, hinting at the cozy interior within, and a folding camp chair sits nearby alongside a small cooler, suggesting a peaceful weekend escape. Dappled sunlight filters through the pine canopy above, casting soft shadows across the gravel and creating a warm, inviting atmosphere. Shot from a low angle with a slightly wide lens, giving the image that authentic lifestyle photography feel with rich earthy tones, deep greens, and warm amber highlights that glow beautifully in the fading afternoon sun.

Why Your RV Still Feels Off Even After You “Leveled” It You ran the jacks, the bubble looked centered, and you still feel like you’re sleeping on a boat — or worse, the fridge alarm is going off and the slide is dragging. “Level” and “actually level” are two different things, and most of the … Read more

The Generator at Baton Rouge: Big Bertha Meets the Iron Pickles

Drew Callahan · February 7, 2026

The Generator at Baton Rouge: Big Bertha Meets the Iron Pickles

It was mid-afternoon in Louisiana, well into October but still hot enough that the AC inside Big Bertha wasn’t negotiable—it was survival equipment masquerading as comfort. We’d been parked for two hours at what I thought was a campground when the GPS recalculated and sent us down a road that had “wrong turn” written all … Read more

The Water Pump at Durango: Big Bertha Goes Dry

Drew Callahan · February 6, 2026

The Water Pump at Durango: Big Bertha Goes Dry

Almost every RV owner assumes their water pump will work until it doesn’t—and then they’re blindsided when it dies. The truth is, most pumps fail quietly, giving you weeks of warning signs that you’re trained to ignore: a longer cycle time, a thin whine under the floorboards, water pressure dropping faster than it should. But … Read more

The Mud at Moab: Big Bertha Meets Her Match

Drew Callahan · February 6, 2026

The Mud at Moab: Big Bertha Meets Her Match

Fifth wheels sit lower to the ground than motorhomes, which means their undercarriage and hitch assembly absorb punishment that Class A and Class C rigs simply don’t encounter at the same angle. I’ve watched the connection point between frame and hitch pull loose on fifth wheels because the owner assumed “mud” meant the same thing … Read more