As far as horse trailers go, the safety of your animals should always be the first priority. When looking for a horse trailer, there are a few important things to check out. First, on the trailer you’re looking at, inspect the floor. Make sure that there is no rust or deterioration to the floor. This is very important. Your horse(s) need a secure floor, and you can’t risk your animal falling through the floor. Also, observe all mechanical aspects of the trailer. Everything should operate smoothly and easily. Also, check lights, wheels, and the hitch to be sure nothing is out of order. Although this is a very basic list of what needs to be looked at and considered, the internet is a great resource for telling you everything you’ll need to know when shopping for a horse trailer. Proper research will only get you a better unit if and when you make your purchase. Good luck!