However, the agent said that it can be legally a 4 unit home, with an additional unit in the basement.

When you hold a {rental} property in a corporation, income is taxed at the highest corporate tax rate - which increases the benefit of claiming the CCA deduction each year and mitigates the punitive aspects of the recapture.In addition to how you hold property, the length of the hold will also factor into whether you claim the CCA deduction; claim the deduction for a few years than stop; or do not bother to claim the deduction at all.  

Mobile, manufactured, trailer, tin can all interchangeable for the same product.

This time around it appears to inline with fundamentals vs crazy mortgage products.

In your example an additional 83k in cash on top of the down payment.

Show proof of funds for the purchase price, rehab cost, and additional funds for overages.

My current plan is:(a) Finish the rehab, increase value of the house(b) Tap into the equity from (a) to help finance the addition of a legal unit in the garage(c) Tap into the equity from (b) to help finance more real estate investmentsNot sure exactly what (c) will be.

You can get some rent information from the MLS via a real estate agent, in addition to the above sources.  

In addition to the book you've read, you may want to check out the Book on Managing Rental Properties, it may help you determine the right policies and procedures to turn that property around.

Good afternoon BP friends,I'm looking at setting up an SDIRA for the specific purpose of buying a single property - an undeveloped lot - and I'm trying to determine if it makes any sense to use an LLC and/or have "checkbook" control for this particular SDIRA.My initial thought is that since this SDIRA would be to buy a single piece of undeveloped land and then hold that property as an investment for the next several years, that the additional complexity and expense of an LLC and checkbook control would be unnecessary.