In this guide, we'll compare 9 different mounting systems so you can find the sweet spot between performance and price. (You can dive deeper into detailed pricing guides at Solar's Price and explore the full cost breakdowns for solar systems. Roof-Mount Solar Panel. Check each product page for other buying options. Find the perfect fit for your RV, boat, or off-grid power needs. Price when purchased online Shop for Solar Panel Mounting Brackets at Walmart. Live better Secure your solar panels with durable, easy-to-install solar panel mounts. From recreational vehicles (RV's) to boats to cabins or anywhere else where you need a simple yet reliable method to mount solar panels.