Decided what markets to target, designed and conducted the marketing campaigns, received all inbound calls from prospective sellers, developed the relationships with them, asked them all screening questions on their properties, researched the properties, deal analysis, scheduled property inspections, structured the offers, sometimes presented the offers. 

@Benjamin McGuireSome banks will cater more to investors than others.Some lenders (ie: loan originators) will be more outward facing 'beat the bushes' types, whereas others will get more inbound referrals from their retail operations.  

You should consult a US based tax CPA/EA who understands (1) Inbound Taxation as it relates to the US (2) Real Estate Taxation and (3) Tennessee F&E Tax. 

First, it could potentially be a way for me to filter some of the outbound/inbound calls and marketing from business and personal life.

Similar story to Colombia: exploding tourism and emerging middle class.

The beaches are white sand and emerald waters with good school systems and strong tourism.

Amongst a ton of tourism.

Advertising is a form of inbound marketing. 

So far I've done perhaps two hours of research on this... and see 'mixed' opinions as to receiving highly targeted inbound call leads.

and finding good service providers for good prices would be easy for them.Sanibel is a tourist town with reliable year-round tourism.