Our leases make it explicitly clear that the co-signer has no tenancy rights, only financial responsibility should the tenant default on the lease. 

I chose this because i'm looking for cash flow and looking to achieve financial independence before 30 -- I am 21.Knowing my niche and some of my criteria, I was wondering if I should consider incorporating.

Not sure you fully understand how your investments work if you feel financially stressed every month.

You'll have to deal with more bachelor parties, etc, but sometimes it can make sense financially. 

I can't think of any pros other than not many people are targeting them (that I know of...)Cons: More likely to have solid financials, which makes them less likely to need you to "rescue" themMore likely to be professional & educatedMore likely to come from a family with decent connections (lawyer, realtor, investment advisor, etc)More likely the property is in a trust because the family intends to keep it.Personally, I scrub my probate & expired lists of trusts and LLC-owned properties.

I figured that getting my license and working in an agency with successful sales people will give me a wealth of knowledge as well as earn the opportunity to get income through my sales skills (spent time as a financial advisor for Prudential Financial, I also had stints in sales with AFLAC).If you can, I would love some awesome feedback on everything from: *What I need to know about working with a brokerage firm (membership dues, office politics, commission splits, location, size, etc)*How I should start investigating my market,*What kind of time and money I should be prepared to invest to get results in real estate sales,*Tips on getting into the commercial sector,And anything in between!

Let me put that another way: if they were presenting on the CNBC show "Shark Tank" what would they be offering as a financial return for my investment and over what period of time?

Mortgage bankers will consult you based on your overall long term financial goals.

Any advice on what my mother could do financially with the sale income without buying another property?

They will need to see the last few years tax returns, bank statements for the last 6-12 months, pay statement, and probably have you fill out a personal financial statement showing assets and liabilities.You don't want to wait until you have something under contract to do this.