Good price for a used 6x10 ??

The guy that had it advertised says its about 8yrs old and not used much. Tires look new and from what I can tell it does not have a scratch on it. No cracks on the wood inside. Have no idea of the brand but it looks like the ones Lowe's sells. No trailer brakes and a little surface rust on the frame. The only problem is its been sitting a while and has weeds grown up around it. I need to make him an offer. What do you think?
What are some things I should look for in a good used trailer? I will be building it out, putting in a window and an AC unit.
Thanks for the help.
What are some things I should look for in a good used trailer? I will be building it out, putting in a window and an AC unit.
Thanks for the help.
