A list of this you need before get a horse and after?

A wheelbarrow and rake for the manure. Some clean shavings or whatever you want to put in the stall. A helmet? I know western riders usually don't wear helmets but I ride English and Western and I always wear a helmet. I don't care if real cowgirls/boys don't wear them it is safer. I have been bucked off before and my helmet saved my life. I would get one if I were you. I think you have most everything. Maybe a salt block? make sure you put it on the ground of the stall so your horse won't eat it right away. Good luck and have fun with your horse!