If you're using conventional financing you need to document 30% equity in your current primary that you're vacating in order to use 75% of gross rents from the tenant that will be renting your current home.You can document it by ordering an appraisal which is 450-700 dollars with rent survey attachment to the appraisal or you can sometimes do an AVM - automated valuation model which is usually free or a drive by appraisal with some banks which is usually 100-200 dollars.Some banks (portfolio non conventional) will all you to use gross rental income either discounted at 75% of face value or full 100% against your full PITIA (current residence) if you put down 20-25% on the new property.with FHA you can use gross rental income up to 85% of gross against PITIA when looknig to buy a new property assuming your current mortgage is not a FHA loan which you'd then have to adhere to 2nd primary/FHA rules/exceptions.You can see how these general questions on BP get answered so non nonchalantly however the depth of the answer really depends on your goals, your plans, and financing tools in use, and working with someone who actually understands not only the financing semantics and the investing objectives.

@Ian I LeinwandIf you wish to find a tax expert who specializes in real estate, the expertise, knowledge and the quality of service would be far more important than location.

I’ve done very few wholesales as it’s not my Business model however, I never felt remotely bad about the fee.

Turnkey- I personally don't like the turnkey model, mainly due to the fact that most products sold via turnkey are in C/D areas, thus making you totally dependable in your Property management company 5.

She is incredibly good at what she does, and will do everything in her power to get you the best deals on the market for your business model.2.

@Jad Boudiab - although I'm sure your business model may be sound, it's quite a stretch to say that it is leaving more value and equity. 

@Barry CollierI am not 100% sure he will have the specific expertise you are looking for, but @Brandon Hall is a true strategist as a CPA and very much connected when it comes to real estate topics. 

@Ashley McMichaelA coop is a share based ownership model based on square footage but I still don’t understand what kind of investment you’re selling them.

Business Model Generation, by Alexander Osterwalder (currently reading this), 4.

She's absolutely right about a "hybrid model".