Business owned by one account?

Gameplay Questions
1

1).how many business at most can one account own?
2)and how is it counted? Is it counted regardless of Types?, Products?, and Locations?
3) All kinds of business owned by one account cannot do business with each other? Or just my Manf cannot sell to my retails?

2
  1. It changes but could be 10 or a bit more.
  2. The limit is based on Operating Businesses — see user guide for definition
  3. It depends on the type of business. Go to the START NEW BUSINESS screen and click each business type for details.