YES call it Poop On Me Jet Skis then sell everything other then jet ski stuff.
Buy some jet skis, lots of parts for them, a mechanic to fix them, and the rest is like any other business... a lawyer, an accountant, a bookkeeper, a receptionist... a divorce lawyer for when your...
Check Battery, Check Fuel
check battery, check solenoid, check starter
if you are in Georgia you don't have to but if you are anywhere else you do
You just jump start it.