Outlaw IDE
The #1 IDE for Corona SDK game and biz apps makes development even faster (free version available).
Product Creation Station
Probably the most comprehensive (yet easy to follow) course on product creation available online.
List Profit System
From marketing master Jimmy D Brown with added videos and bonuses, the only list building info you need.
Mobile Game Dev Videos
8+ hours of video tutorials - see how to make games with Corona SDK!
Super Sprite Bundle
Royalty-free graphics for 2D games - animated characters, tile sets, etc.