Purchasing an SSD should not be a huge problem
Purchasing an SSD should not be a huge problem for most consumers -- almost all new PCs and notebooks include solid state storage. Plus, with the TBC Classic Gold purchase price of SSDs dropping exponentially over the last few years, grabbing a shiny new SSD only for Shadowlands won't break the bank for many budget players.
Contrary to the modern game, there is no official'searching for group' system that finds people to play you and teleports all of you to the dungeon. Alternatively, you'll look for party members in chat channels in major cities or on your guild, and you will all fly or operate together to the dungeon that cheap WOW Burning Crusade Classic Gold you want to do. And you'll all have to go there -- in the first days of Classic, there'll be no summoning stones at the cases themselves.