If he owned it joint with his wife, then upon death it goes to her and she could sell it to you.

We are going to open a joint account and put the 10,000 dollars in there, and I am going to live in the duplex so we can qualify for the loan(This is my second investment property, I'm only 18 years old).  

So it’s a joint llc liability?

Individuals will owe the tax if they have Net Investment Income and also have modified adjusted gross income over the following thresholds:Filing StatusThreshold AmountMarried filing jointly$250,000Married filing separately$125,000Single$200,000Head of household (with qualifying person)$200,000Qualifying widow(er) with dependent child$250,000Taxpayers should be aware that these threshold amounts are not indexed for inflation.If you are an individual who is exempt from Medicare taxes, you still may be subject to the Net Investment Income Tax if you have Net Investment Income and also have modified adjusted gross income over the applicable thresholds.NII consists of the sum of three categories of income reduced by any properly allocable deductions for each [Reg. 1.1411-4(a)].

Give skim coat with all-purpose joint compound.

I met with an attorney who suggested that I just put her name on the deed thus making her a "joint tenant."

Cashflow gets deposited into the joint account and then paid out to the individual owners based on their share.

Some parts just fabricate them (the flatter joint piece). 

No more partnerships, joint ventures, syndications, etc. 

Have a client that rents to college students so they almost always have a parent sign as guarantor. usually they own a home so there is an asset there to attach.Also you want it spelled out that each tenant is joint and several liable for the rent.