The death and infection rate being released in China being massaged. 

Print it off, study it, highlight it, and keep it handy for reference.At the bare minimum, you should know:How to determine market rent for your unitsHow to set rental criteriaHow to screen applicationsState law regarding due dates, late fees, and the eviction processHow to handle late rent professionallyHow to evict a tenant for non-paymentHow to get rid of a problem tenantYou could easily read those two books, study your state law, and then develop WRITTEN procedures for handling these issues within a month.

Try doing it yourself without proper abatement procedures by a licensed company here in CA, get caught by AQMD and prepare yourself for hefty fines for lead and or asbestos.

Each state has a Division of Real Estate who oversees broker operations & requires broker's to adhere to incredibly strict accounting procedures, audits and care of all of this money that flows in & out of their hands that is that of the client's (you) or the tenant's.

Does this seem like normal procedure?

I would say that regardless of what you decide, make sure you have a clearly delineated procedure that everyone is aware of and that you never deviate from, this is business after all.

My question is, would it be a messy procedure if we still went ahead with this house with a specific clause that the tittle be cleared and leins be taken off, otherwise we dont close on it.

Maybe you could warn tenant and set a clogged toilet procedure? 

My partner is a massage therapist and rents an office to work on her clients.

It's a matter of understanding the law, building experience, and developing solid policies and procedures to minimize your risk and increase income.