We not talking knock-off product's, this IS how the entire industry operates.

Is it ethical for me to base my tithe for these three income on an average of cash flow?  

I would make sure that you're always learning and meeting people in this industry.

If you want cashflow.. look for markets with low entry prices and higher rent averages.

I'm wondering if a 1.2x for MTR rates is doable and what general/average rental time period is.c.

I haven’t heard the story of  the investor who rode the coat tails of a wholesaler to the same level of success but networking and building relationships with wholesalers seems to be prioritized over all others industry participants. 

Lets say that their coaching was for a year and it cost them $10,000 and the average student bought 2 homes in the year and gained an increase in equity by $80,000 and they felt that they were confident in finding and purchasing good deals after the year was over.  

And, assume that rents increase by 2%/Yr and inflation averages 5%/Yr over the expected hold period, which I will assume is 20+ years.

I now make it a habit to set clear expectations with lenders upfront and ask about their average response time

Another thing be prepared to spend rehab dollars to fix it up for rent or resale after foreclosing.My experience for average tax deed rehab for rent is $5-15K. rent for $900-$1000/month.winning bid amount $14-32K.Rehab cost for sale; cost between $25-92K , sale for $90-250K, winning bid amount $15-60K.