It is possible anywhere, it's all about networking and providing a quality product unlike a lot of investors who after quantity.

I have been down the quantity road and without massive experience and capital you should go slow and eventually you will be well beyond 100 units a year if you keep at it.

Not sure if there are minimum orders or quantities.

I'm looking for more quality than quantity at this point.But if another recession hits, I want to have access to lots of capital to buy those great deals.Three ways#1 save for the future.  

As for the quantity to begin mailing to, I wouldn't go below 1000 leads.

There is a limited quantity and an agreed although fluctuating value.  

If you are going to landlord in any quantity, you need to have a good bedbug remediation company in your back pocket.  

Be sure to make LLC and legal docs with a lawyer before doing business with family, everything must be in writing just like with a stranger to help ensure family harmony...Maybe you should rehab and flip the house and buy something more urban to rent that is more likely to cash flow? 

Why would any real estate agent want to work with an unknown quantity, when they can basically cash in on a sure thing with an experienced investor and have minimal amount of work to do?

They flip in large quantity and typically only to investors (versus flipping/selling to primary home buyers).