What do you do to ensure that the tenant is responsible for security deposit disputes since that is the largest reason for owner lawsuitsHow familiar are you with the newly changed laws that can affect you the owner if they are not used correctly?

I am an attorney in New York and New Jersey and for the past 15 years worked my way up and became an owner/partner in a multi-state law firm.

But with CA laws and 10 investors they can get into the deals with 100k and share it..

I don't know Ohio's laws regarding disclosure, so it sounds like that may not be applicable. 

Consult with a tax advisor or attorney familiar with both partnership law and real estate to ensure compliance and minimize tax liability.Once under a TIC structure, 1031 exchanges for individual members could allow them to reinvest proceeds from the sale of properties into new ones without triggering immediate capital gains taxes.

Duplex can always add additional units via the ADU laws. 8) Related to number 1, purchasing a property with an existing ADU is cheaper than buying a property and adding an ADU.

It results in tenant friendly laws.  

The person has failed to pay rent after a valid notice to quit and notice of increase of said rent, provided the increase in rent is not unconscionable and complies with any and all other laws or municipal ordinances governing rent increases.")

You don't have to sign the agreement, though some state laws require an exclusive contract.

I know a friend who is an attorney, although they don’t specialize in housing law.