I'am seasonal with 2 slide outs did it wise to put slide out stabilizers on each slide out even though I have stabilizers under the bumper and steps to stop sway? just curious, Tha...
x2 on jacks supporting the frame for best stability. You can get 3 pair of 3k lb jack stands from Harbor Freight for < $200. You'd spend way more than that for stands for 2 slides.