Hey there J
I just want to name a good provider for TOR Relays and Exits.
I am running a small VPS on Scaleway.com , which costs me about 3€ a month. Unlimited traffic!
Scaleway is running ARM-systems, so ArchLinux is recommended.
Check my Exit on Atlas:
https://atlas.torproject.org/#details/2D31C2099EB65577F5106154DDCAA6C3EAD6B31D
best,
volker