There will always be some risk but much less if you buy right (good value, found equity, or forced equity RE deal) and seal your down side through a fixed loan for instance which gives you a pre determined payment and establishes your min overhead so that you can plan your cash flow and reserves accordingly.The advice of not using your primary is far end conservative wing advice which is great for newer investors or for the people with no experience, because the likelihood is that they have a high degree of  being susceptible to losses.

A better option would be to do it as an Option Contract, which would mean you have the option to purchase at a predetermined price anytime within the option period.  

I just pre-determine a split for the units and add a little overhead.

Then, depending on your states laws, I would store their persona; property for the predetermined amount of time before selling or disposing.

Except that the ARV (after repair value) is predetermined before the rehab is even started. 

Really :D Here goes:Flex Option Contract – Allows you to place home under contract with seller for a predetermined amount of time.

All I need is to used his/her excellent credit, apply for funding receive funds, acquire property, sell then he/she gets a predetermined percentage.How much would this typically set me back if I were to go with an attorney?

I will never do that again.Charles maybe do an option with a pre-determined time and price to buy.

It's also a reaffirmation that RE investing can be done in this area.) but if we can get a predetermined amount of cash flow, we're interested.

They'll (developer and tenant) choose the best sites where they know they'll succeed, build and lease from the developer at predetermined percent of developers cost.