Here's what my tool kit will have: Heat shrink butt connectors, crimpers, strippers, hose pinch pliers, mini-torch, stainless steel clamps, zip-ties, fuses, side cutters, metric/std wrenches and sockets, screwdrivers, allen wrenches, 1/4" Milwaukee ratchet, bit assortment, small channel locks, rechargeable mechanics lamp, DVOM, stainless nuts, machine bolts, screws, and washers, extra drain plugs, spark plus, absorbent pad, rags, funnel, electrical tape, GORILLA TAPE, Flex-Seal, small bike pump, extra hose, P-clamps, mechanics wire, small hammer, small crescent wrench, battery jumper, multi-tool with bottle opener.
Chemicals: Fuel stabilizer, Oil, Yamalube Silicone lubricant, Yamashield, Cleaning products.
In the Truck: Extra tie downs, hitch pin, surge brake lockout with c-clamp, trailer lock, tire plug kit, air compressor, floor jack, 1/2 milwaukee impact with sockets, tire pressure gauge, etc.
I know this sound like a lot, but there will even be more. I like to be prepared, even though my boat is brand new. All this stuff will fit in my Plano box. (I hope). PLEASE ADD YOUR IDEAS OR COMMENTS!