Check tire dates/condition/inflation, Brakes, Steering, wipers, horn, All lights, etc.. Make sure it is road worthy and passes safety inspection.
Check Refr. H/W. Water pump, Both A/C, stove/range, all gas system. Check all water appliances/fixtures, etc.
Practice proper use of water storage and disposal system, i.e. filling fresh water tank, connecting and dumping black and then gray tank, etc.
Get good liability and collision insurance and also Emergency Road Service policy.
Practicing driving and parking before loading with other people.
Practice Safety First and Safety Last.