Hi Paul, it all depends on your comfort level. 

Just withdraw it—it’s like a checking account.The Risks (Depends Who You Ask):A lawyer says everything can go wrong.An insurance agent says the same (so they can charge more).An engineer?

Many basement access doors are not 36" wide depending on the age of the property.

With all of that in mind, I think it would really be dependent on where you see that specific market going.

The reliability of this method depends on if the costs provided by the contractors or subcontractors were based on actual costs or estimated costs.

Some investors are better at doing their research, financials, and taxes than others - it depends on the investor....

Depending on what resources are being used to find the comps they may be ambitious.

The payment is fixed and not dependent on the balance owing - the payment always stays the same unless the interest rate adjusts.

I'm interested in class C, and also class B depending on the price of deals I can find.

Converting the partnership into a Tenancy in Common (TIC) could work, but keep in mind this requires dissolving the partnership structure and redistributing ownership, which may have tax implications depending on how it’s handled.