Not only has Dakota Krout done well in GameLit (the wider term encompassing things like LitRPG), but he and his wife Danielle also apply tools and data that worked well for him as they help other authors launch and succeed. 

Part 2 also features Dakota's answer to the trends question I end most interviews with--his was probably the most unexpected and specific answer I've heard. Check it out!

www.dakotakrout.com

Also mentioned in this episode:

www.facebook.com/groups/storypunks
www.storypunks.world/decor