If it were me, I would simply let them know in writing that any alterations must be returned to original condition at lease end or they will be held liable for damages.

There are always "it would be nice to haves" that will cut into your profit margin. 

If you cut a check today for that amount, you eliminate one year of payments......the last year of your loan.

Such plan is established with a 401k trust holding plan assets, it can own real estate, have a checking account, brokerage account, etc.5) If the sponsoring business type changes you don't need a new Solo 401k plan, you can simply amend the existing plan to reflect the change of the plan sponsor.Hope this helps!

You can simply take a survey of the neighboring properties to find out their gross income and expenses and base your number off of that.

Is there a way that I could get a cut of the deal by connecting them? 

Or if you ever want to cut back on buying, you can sit a project or two out while the others take it on and then jump back in with them on the next one.

On the 2nd part, my building like most building's in that specific CT area is like cutting a house in 4 equal Parts, they are like 100 yr old big houses that have been turned into multi-families. 

Do I simply sign on with a "discount broker"  and hang my license with them.  

Our goal is to rent the back unit out for a couple years cutting our mortgage payment in half or so while we stockpile cash for our next deal.