Outlaw IDE
The #1 IDE for Corona SDK game and biz apps makes development even faster (free version available).
Chunk Copywriting Course
Writing great copy is easy when you watch these video tutorials -- anyone can do it!
Mobile Game Dev Videos
8+ hours of video tutorials - see how to make games with Corona SDK!
Pathfinding Tutorial
Use Corona SDK and the free Jumper library to do A* pathfinding in your games - over 60 minutes of video + sample code!
Product Creation Station
Probably the most comprehensive (yet easy to follow) course on product creation available online.