I would caution you not to necessarily expect your NOI to be higher because you achieve higher rents leasing units to Section 8 tenants.

their threat demonstrates their ignorance of the laws and expectations.  

What more are you expecting?

Trying to figure out what I can/should expect to charge for 1)Purchase price; 2) Down payment and; 3) the spread per month if any on what I pay per month.

@Paola AstridRecommend exploring as many sources as possible to get referrals AND cross-reference them to get as much accurate information as possible.Check out NARPM.com, BP’s Property Manager Finder (BiggerPockets: The Real Estate Investing Social Network), etc.Also, encourage you to learn from the mistakes of others - by reading posts here on BiggerPockets about owners not having their expectations met by their current Property Management Company.

@Angelo CortezYou can still deduct, however STRs are reported on Schedule E, not Schedule C.The IRS expects you to file 1099s even without SSNs - which I personally always found to be puzzling.

Every time I change cleaners, I spend at least 3-5 hours retraining on my processes and expectations and even then things are missed.

It also sets their expectation so they can anticipate the change in their budget. 4.

You purchased your property in 2017 with an expected rent amount of $1,549 on the original property evaluation. 

If you're clear about your expectations then that's their issue.