Cleaner is paid a fixed rate for a specific job, you are paid a % of revenue.

Private funding from a relative may provide flexible terms and reduced financial risk, but formal agreements are necessary, and interest paid is deductible for you but taxable for them.Traditional investment property loans offer stability and tax benefits like deductible interest and property taxes but require larger down payments.

The solution is the deferred sales trust, as all debt is paid off at the close of escrow.

Quote from @Dan Ermolovich: Hi,Unfortunately I am dealing with a tenant that has not paid rent since October in one of my Youngstown properties.

I generally get a picture of the letter at the post office with the paid postage on it also. 

One of the criteria is that the filer has paid the property tax on the property for the given time.

You can get the Bigger Pockets paid membership and use their Find a Market Tool to analyze.

Liquidated damages are a predetermined amount that is paid to the owner if the project is delayed.

In 20 years, those same houses that you own today will be paid off and worth double what they are now. 

Estimate utilities and figure out who pays them (separate meters, landlord paid, etc)5.