[header] How to buy a used horse trailer [title] Consider your budget. [substeps] Budget is probably going to be the most limiting factor in buying a used horse trailer. How much you have to spend is going to narrow your choices. 
If budget is not a concern, then you can buy a horse trailer with all sorts of modern features such as dressing rooms, interior lighting, padded dividers and more. A lower budget might limit your choice to a horse trailer that is structurally sound, but not very attractive.