Fan shop

A real fan has always needs to own souvenirs and fan-stuff which you should be able satisify. You can do this by building
fanshops which sell fan-stuff like scarfs and tricots to fans. This will increase your income in a relation to your visitors.
This means spamming shops wont be lucrative without a big amount of visitors.

the fanshops capacitys are:
5 shops in a small stadium
10 shops in a Megastadium