It looks like I am required to file an amendment after filing first. 

You may also be better off looking in some less expensive markets in ME like Augusta or L/A for these types of deals since your downpayment will stretch a little farther.

FHA only requires 3.5% down for owner-occupied SFHs. 

(Not a bad idea since these properties are on no one's list, but it's very time consuming.)Engagement sequence would be a mailer with a handwritten address (This is also very expensive and time consuming. 

It requires the borrower has significant experience and is very costly (in terms of rates/origination)It's generally really risky to do 100% financing especially if you are inexperienced.

Commercial require you to have at least 20% skin in the game correct?

Non-Warrantable Condos: Non-warrantable condos don't meet the stringent requirements set by GSE Agencies.

Both of this will likely require real time conversations which will be difficult from India3) Maintenance when tenants are staying - I feel less worried about this as I can have the tenant coordinate with my chosen vendor (that I already have or can potentially find from India by talking to them on phone at night time in India / morning in the US).

Additional streams of income:1) Have mortgage broker present at open house (and charge them "$5000"%) to pre-approve those who want it (but don't make that a requirement to bid).2) Sell the bidder list to other investorsI have not seen any such ads in my area and I'm wondering if it's because this system is not effective or is it because nobody is utilizing it?

What requirements do banks look for?