New to Trailer camping, what are some must haves, and wants

My must haves include a spare tire and the tool and knowledge to change them.

Take your best guess at what you need, go camping. There is a Wal-Mart in the next town if you really need it.

I still have "must have" items in their original packages that folks said I could not live without.

Over time your camping needs are dictated by how your camping style evolves.

Be safe