Byrna    it has an effective range of 60'  Have any experience with one of these?

Have a deal going in Springfield, IL 62702 Any suggestions on a reliable investor friendly closing company?

I'm sure you will get bombarded with multiple markets that others suggest. 

Sometimes, buying an existing property can be more cost-effective and less time-consuming and maybe require slightly less permits, etc. 

You should definately expect a good ROI, but I dont' have data to show how that would effect it would have on revenue.

I've consistently written about the forces of nature and her current and future effects on the real estate market (even while often being ridiculed and politicized on this very site for it) regardless: I personally moved and invested in coastal Oregon in 2018 from Venice Beach Los Angeles partly as a result of the trajectory of climate and have assisted several clients that specifically purchased on the Oregon Coast for their own 'climate havens,' investment and future retirement homes. 

@Erick Armando Gonzalez - I like Bill's suggestions.

Does anyone have a recommendation of a national collection agency that is effective?

Any suggestions?

In online forums, the danger I've experienced is the "national" effect.