This means researching the market, understanding tenant demand, and ensuring the cash flow comfortably covers the loan payments.

Also the market has softened and it take longer to fill vacancies.

We have a lot of equity in it and don’t make much on it, so that’s why we want to sell.Can we choose not to allow another roommate, force them to move out if the lease is violated if they can’t pay, and move on?

$75k for 14 units means about $5k per unit to bring it up to market ready rents.

This is a real concern, especially in competitive markets.

I've heard of people just putting their friends or family down as rental references and such, and forging pay stubs, but always hoped I would never encounter this. 

She thinks it’s ok to stay for free and she deserves free housing, non paying her dues or any thing just because she does not have a job (on purpose) and does not have money ( has all money for fancy furniture and gadgets)But anyways she has not paid her move in deposit ( paid partial) and has not carried renters insurance.

You probably have heard to join the local REIG as what you will find from the courses advertised everywhere anymore is that they offer general information that in many cases does not fit your market or state requirements. 

Tenant Turnover and Vacancy Rates Impact: Rent control tends to incentivize tenants to stay longer, as they benefit from paying below-market rents.

I've been paying aggressively to free up funds to borrow at the 3.99% as needed.