Hi adriatic,
If you haven’t read it yet … the tutorial post here has all the basic information, steps, and guidelines that can help you make the best possible choices … and avoid the worst ones. It can also help you focus on the more important information in the forum and the site instead of reaching a point of “information overload”.
I missed the part about you being in Burlington, VT and in this case I would tend to avoid an online mattress purchase where there were no exchange or return privileges.
Once you get to step 3 in the tutorial post some of the better options and possibilities I’m aware of in the Burlington, VT area are listed in post #4 here.
Hotel beds are not a particularly good quality or value choice and tend to be less durable than consumer mattresses. You can read more about them in post #3 here.
Phoenix