If you don’t use 20% down, then you pay a monthly fee into your mortgage payment.

This step formalizes the transfer of rights from you to the new buyer.It's crucial to ensure that all parties are aware of and agree to the assignment process before proceeding.Closing:At the closing, the new buyer typically pays the purchase price outlined in the original purchase agreement directly to the seller.Simultaneously, the new buyer pays the assignment fee (your profit) to you, as specified in the assignment agreement.The closing may involve a title company or attorney to facilitate the transfer of ownership and ensure all legal requirements are met.

Just had a vacancy near Wash Park where the previous renters had been there for a few years and were paying $2,200.

Is it easy to rent and they pay on time? 

Equity Building:As you pay down your mortgage using rental income, you're simultaneously building equity in the property.

Take the longer amortization and the lower rate where you can make Bi-Weekly payments and add a little extra each month to manipulate and lower the rate and the term.

The only disadvantage is that you would pay the HELOC payment to buy time to see what happens. 

Hire a realtor and pay them to provide you with recently sold rental comparables.

I would want to keep extra for reserves along with contingencies, plus if anyone in the area has stored away the 10,000 for a cost segregation details on that would be helpful too.

Time is money, sure, anyone can close in 14 days -- and pay for it for years to come.