Duty-rate books are thicker than Webster's dictionary. Customs brokers are the experts on these things. Hiring one to get your stuff through customs is not only easier, but generally works out cheaper than doing it yourself.

Suggest before bringing anything of any kind into the country you check to see if it's already here. If it's already here then chances are somebody here can fix it. If it's not already here, chances are that nobody here can fix it (or if they knew how to there would be no parts) and you might as well not bring it.

Golf carts abound on the island - best to buy one that is here already.