You do that with skill, time, and reputation.

Are there any good resources online to be able to get an idea of average monthly/yearly expenses like utilities, etc. for a given zip or city?

The forelcosure auctions in my home State of Florida are all online.

There's nothing wrong with seeking concessions if there are issues that arise in the report, but using this as a strategy will garner you a reputation within the community if you are repeatedly going under contract and then seeking large re-trades. 

We use DealCheck to underwrite deals and QuickBooks Online for everything else post-closing on the purchase.Quickbooks Setup:- Classes allow for separate P&Ls for each property. - Products & Services enable us to track each 'phase' of the rehab. - Projects give us visibility on my projects- My CPA can easily access the reports for tax preparation.

Asheville has just recently started to feel like it's beginning to come back online, but a long ways to go for a full recovery.

I recommend teaching him basic construction and property inspection (4-point items); 'lipstick on a pig' can kill an investment and reputation faster than anything in this business.Best...

They can change terms basically at anytime before closing for non-owner occupied - is it good for the reputation - absolutely not - but it does occur.

Is the information about “In MA, tenants generally have 30 days to pay repair costs...” available somewhere online? 

Review their online financials/annual statements.