Hi have 3 small businesses, they are all owned by me. Can I use tier 1 for all 3 businesses and my personal life? All the businesses are owned by me or partially owned by me and I don't need more than 3 users. 2 of the businesses are fully owned by me (I usually have 1 person helping grow those 2 business). Can I just use tier 1 for all 3 businesses ? I basically have a bunch of project management tools, but lifeOS looks like might allow me to put everything together.