I have a 2004 Quad Cab. Fixn to buy my first travel trailer which the weight will be approx. 7000-8000lbs, 28-30 foot long . Truck is stock in the suspension catagory except for a leveling kit and Bilstien shocks. My wife has pulled trailers in her past life (LOL) but never had the air bags. We want to be as safe as possible but if we don't need them. Why buy them? Truck is driven daily and trailer will be used on weekends and occasional week long trips. Advice?