Amazon has Leelbox Q2 Pro Android 6.0 TV with 2Gb RAM/ 8Gb ROM, Quad-Core Amlogic S905X CPU, 2.4GHz/5.0GHz Dual-band WIFI, pure version Android 6.0 OS on sale for $49.99 and additional 20% coupon off CXYDMW47. Final price is $39.99
Really cheap, quite powerful Android box if you want just something to Run Kodi, Plex, Netflix, Hulu, etc, some basic android games.
Installing and using Kodi on android is very simple, I've done many firesticks, Shield Tvs, Mi Boxes. Cheers