Say in this example you were required to take what equaled 10% of the property.

Getting the debt service covered is vital each month.  

They can help you navigate the legal complexities and ensure that your rights and interests are protected throughout the process.Remember, seller financing can be a win-win situation, but it's vital to approach it with due diligence and proper legal documentation.

A PM is your most vital team member to ensure that you have a successful investment.Zillow does allow you to market the rental for free on their website.

Under-leveraging is detrimental to investment returns, but over-leveraging puts us at risk.Before I offer a few thoughts, let me point out that you've missed one vital piece of perspective in asking the question.

So rents will not be equal to upper units.

I would suggest to connect to other local investors as much as possible to network, educate yourself, make connections with title companies, contractors, wholesalers, hard money lenders etc, those will prove vital to your success.

The benefit of working with a quality rep is that not all sponsors are created equal.

Low-risk tenants pay equal to one month of rent.

Not all agents are equal, find the agent who fits your goals best.