Has anyone here used a WoW boosting service before, and how did you decide which type of boost actually matched your needs?

If you’ve never used a service like this before, I’d first figure out exactly what you need instead of picking something randomly. That’s what I did when I was looking around. If you decide to buy wow boost, you can check the options here. There are separate choices for raids, Mythic+, leveling and gold, so it’s pretty easy to find the right one.