I.e. they get profit sharing and their contribution is the sweat equity.You would have to modify the model to include a GP/LP contribution and split. 

Owner-financing determines how soon the taxes are paid but does not change the rates.As my colleagues already mentioned, trying to DIY this business model is risky.

we paid 440k for ours in 2004 which I thought was over the top.. but now same model is 750k. 

I got started with "Nothing down, how to buy real estate with little or no money down" by Robert AllenHad to learn everything else along the way.The model works well in Arizona and Texas where I invest but might be a bit harder to cash flow in California, Illinois or any other high expense state.

This is business, and as such, sticking to the business model/criteria is the way to go.  

Many of the old podcasts' models do not work in our current station in the RE cycle.  

My question was more in regards to what can be expected outside of the analysis and modeling phase of RE investing. 

However you need to have a well run business and especially screen your tenants well for that model to work. 

So we started a buy and hold rental business a little over 3 years ago and have 23 properties. Bank keeps lending us money and basically the debt is scaring me a bit and im like i have no business doing this and its g...

@Peter Francis I do the same exact model in Chicago.