Compatibility Guide - A spreadsheet and an image to help you match the clothes
Fixtures - Some fixtures unlock special items, some give good boost.
Shelves and Racks - The requirement and best position for shelves and racks.
Carry Over - Always good to know what gets carried over to your next playthrough so you can plan ahead.
Trophy List - Have you got all of them?
12 Month Sales Record - It's easy to make a profit but it requires a bit of planning to increase your profit every month for a year.
How to Earn Heaps - If you have trouble keeping up with the tax, then you want to read this. It's not about avoiding tax. It tells you the tricks to make lots of money easily. :)
Enna's Thoughts - Auto Stock is Not Perfect - I just had to complain a bit when I had trouble dealing with tax. But, it's true, it doesn't make sense. :p