Hi Mirage_Man,
If you have the option of a refund at a reasonable cost that’s certainly the direction I would personally go. In my opinion you would lose much less than you would gain by having the chance to start all over again and look at much better quality and value mattresses. The prices of the Kathryn are much higher than even an all latex mattress for example (even though it uses much lower quality materials) and many other higher quality and value choices made by smaller independent manufacturers.
I am not a fan of airbeds and there is more about the reasons why in this article.
Some of the better options and possibilities in the Tampa Bay area are listed in post #143 here.
If you do have the chance to start all over again (and you would be one of the fortunate few) … then post #1 here and the information it links to will help you avoid most of the worst choices (including chain stores and major brands) and focus on the better ones and lists the steps that will help you find them.
Phoenix