It's probably unlikely anything too bad would happen excluding natural catastrophes but why take the risk if the profit potential isn't there?

assuming you use all cash - and setting aside closing and holding costs for now - you're in for 150K. 

I would check on this website on the find an agent feature or search Zillow for teams/agents in your area doing 25 or more deals a year.  

The whole house needs to be remodeled due to lots of wear and tear and being outdatedI am planning to use a HELOC on my current property for mostly all the repairs.

They have already done all the hardest work.

How can I put them all into one portfolio and just keep adding to them as we obtain more? 

They can handle everything from tenant screening to property maintenance and making sure you’re compliant with all the regulations.

I tried Simpli Safe but, there cameras all need wifi to be able to live stream and record.

It has the bonus feature that you can see private offerings and message the sellers directly.

Most owners are local and therefore “hot” money or out of area players are not yet chasing Pittsburgh assets, keeping prices favorable.References United States Census Bureauhttp://www.cmu.edu/news/stories/archives/2017/august/economic-impact-report.htmlMarcus & Millichap 2017 Multifamily Investment Forecast2017 Commercial Real Estate Trends Report by Integra Realty Resourceshttp://www.pittsburghmagazine.com/Pittsburgh-Magazine/September-2017/Staying-CMU-All-Eyes-on-Carnegie-Mellons-Future/http://www.nextpittsburgh.com/features/pittsburgh-developments-watch-2017/