Not 100% reliable, but probably accurate in this case.

It is a quick and dirty method, if done accurately, to indicate whether or not the purchase price supports an investment likely to provide a positive cash flow over a long term holding period.

Because other aspects of my business(es) will have great impact on my tax bracket, available deductions, etc, I'm not sure I could accurately factor taxes into the equation even if I wanted to.

You must have an experienced individual run through the property and give an accurate estimate of repairs (and it must be based on the exit strategy, ie. if a retail flip, then rehab should be based on that, if a buy and hold exit to a landlord, then rehab based on that quality)

This is not usually too accurate but can be the basis of an offer if it makes sense for you.What is it worth to you?

What it sounds like from the local "in the know" CPA is that the following "related party transaction" should occur as follows:1 Agent and 501(C)(3) enter agreement dictating that a specific amount of money will be donated by agent from "qualified transactions".2) RE agent generates a commission from the sale of a "qualified transaction".3) Agent donates predetermined amount of money to 501(C)(3).4) 501(C)(3) realizes this income as non-UBI, agent expenses the amount paid, so there is no negative tax implication for either party.Does this sound plausible and accurate?

How does one go about getting accurate lease rates in the area?

You could even sell it later with owner financing or lease option... but if it looks like a gamble (you have no solid numbers and you are just hoping that it'll work out) - don't even touch it with a three foot pole and stay away.What are the "mixed units" ?

You will spend a lot of money mailing to address that are no longer accurate.

I may be bias, but I persoanlly believe that wholesale buyers are better served doing business with my on my deals than someone else because I have the knowledge and experience to provide proper and accurate numbers and provide deals with good spreads so that the wholesale buyer is profitable.What are your thoughts on buying a wholesale deal from a rehabber?