Be sure to go through safety items, such as your flares, and make sure all your gear is up to date.
If you need to mix resin-based filler material for a patch up job, don't ruin a good dish or bowl. An piece of cardboard or box will do just fine.
Before you launch, make sure you're prop has been cleaned. There are several products on the market that can help deter growth like this.
Once you can work in shirt sleeves, it's time to roll them up and get ready to do some polishing so you can get your boat off the jackstands and into the water, where it belongs.