There are "rules of thumb" to operate by, but they are general guides that change with time and definitely change with markets. 

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

Next they're going to try to get their profits back.The biggest issue is the carriers leaving markets.

Android nears 70% of market share.

There is a lot of competition in Greenville, but a very desirable market.  

No, but neither are all market tenants.

It seems like you are digging deeper into SEO marketing and I can't blame you.

We started our marketing campaign in the last week of August and we have 2 properties under contract and we are making another offer today (potentially a couple more next week).

However, if they do, they are likely just 'okay' with it and would likely leverage the 10-07 market rent analysis on the appraisal to actually calculate and determine the official DSCR during Underwriting.Hope that helps, if you do have a tenant who is willing to be flexible, the 12 month is always the safest bet.

Does anyone have suggestions of locations to look at that are decent to live in, have a good rental market, and have available properties that are reasonably priced?