Hook to shore power with weatherproof connections.
Have two bilge pumps, on separate circuits.
Buy REAL boat fenders, not cute little ones that everyone has.
Learn how to tie off a boat with spring-lines and breasts. Learn a proper cleat hitch, figure eight and bowline.
Buy REAL rope. 3/8″ poly or cotton isn’t going to cut it. Get yourself some Samson double poly braid in 1/2″+
There’s no such thing as tying off a boat too well or too tight.
If you’re in a covered LIFT, you only have to worry about bird poop and tornados. Bird spikes and insurance will cover you there lol