I would use the same formula when exploring cash out so you don’t end up over-leveraged. 

Is there a typically formula for how much that rate should increase if the property is an investment property instead of an owner occupied property? 

That age old formula of 70%-cost of repairs= buy price has been written in the history books but we wholesalers are gold here.

I would ask about your expenses and if he thinks they are accurate/realistic (often we miss some things in our formulas or overestimate the good). 

I understand that these formulas are very controversial but we buy a lot of houses that need a lot of work. 

You can sort and filter information, use formulas, etc.

I would love it if somebody could take a few moments to make sure I have all my real estate investor formulas correct.

If you look closely at Michael's spreadsheet formulas, you may notice that the amount of principal he backs out is understated, making the taxable rental income slightly lower than it really is, or a taxable rental loss slightly higher than it really is.

Trying to understand the formula used to get comps for my first rehab.

Is there a formula for this calculation?