How can you find an Eevee fast?

Answer

It's the first egg you'll ever hatch in the game. You can get in the Paniola Ranch Nursery. As for more Eevees, you can simply breed them or go to wonder trade to collect more.

Updated on April 9, 2018

Original Article:

Pokemon Ultra Sun and Ultra Moon: Eevee Evolution Guide
By Cheeky Kid
working