Regarding rent collection - I use cozy.co - it automatically deducts the money from their account and send its to mine each month.

After selecting the investors/companies you chose to target, it provides you with a template to create your letter for direct mailing and automatically prints out the address for you.

I believe with condition determinable you don't have the automatic right to repossession.

Current tenant has been in the home since April 2013 on month to month lease at $590/month.Not interested in land contract or rent to own buyers.Annual rent of $70802015 non-homestead taxes $14092015 insurance $550Net profit of $5121 per year/$27,500 purchase price = 18.6% annual returnProperty features:2 bedrooms, 1 bathroom, 770 sqftRoof approximately 10 yrs oldWater heater new in 2013Kitchen, utility room and bathroom flooring new in 2013New gutters installed in 2014Hardwood flooring in living room and bedroomsCentral airOne and a half car detached garage with automatic opener

Is that automatically tracked by the servicer ?

There is an automatic 25k exemption but some county tax collectors still require you to file a form to request the exemption.  

Anything that would automatically disqualify someone in your eyes?

The bad ones are automatically scared away.

Zillow has an option to automatically post on Hotpads and Trulia, which I did.

You can also schedule it so it sends automatically.