The Dealers Hall has a wide variety of dealers selling books, jewellery, craft materials and other SF and fantasy related merchandise.
There are also a number of fan tables where fans hope to entice you to their conventions, sell you second hand books to benefit a convention or other cause, and join their socieities.
A list of the dealers and fan tables can be found here.
Members can also chat with dealers and fan organisations via channels in the convention Discord server.
If you have any questions. please email email@example.com.