Make note of some important ratios and percentages such as COC return, IRR, CAP, yearly maintenance vs acquisition price, etc. 

Flexibility in Loan Terms: Josh offered a unique hybrid product that let my friend lock in a portion at a fixed rate while leaving the rest variable.

What's the highest success percentage method to find a previous tenant's new address for this? 

(yes, each option has volumes of disclaimers, circumstances and variables...at a high level, conceptually and then we can go deeper as needed.) 

Is your income considered variable in nature depending on job sites and that you do not work a set amount of hours per week?

The investor then gets the property for a few percentage points of the total property value. 

Generally they are not rolled into the loan, and it's more the level of fees (say the percentage) they charge rather than any "junk" fees or costs.

It even states that the lease “will repeat itself” but doesn’t specify terms like figures or percentages for rent increases.

With the new commission rules you can stay flexible with an offer of buyer agent commission, rather than having to commit to a certain percentage going to the buyer agent upfront. 

If youre asking why the loan amount is only $220k and you have to bring $120k in a downpayment, then the lender is likely being conservative due to the variables of the deal (or maybe this is an inexperienced lender).The loan amount is 67% of the purchase price.