Ask them to confirm the license is still active.

In these markets, I would be worried about crime, activity of illegal immigrants, and such. 

They didn't actively advertiseour home on websites and we had low tenantresponse.

You absolutlely need to be direct to seller or have close, personal relationships with wholesalers and active agents.

Additionally if you're running an active business in the IRA the income will have to pay UBIT.   

I am actively looking for another W2 that will pay me substantially higher.

Most agents paying for leads are inexperienced, which is why they need to pay for leads.Look for an agent with a minimum of 15 years of active experience.

As someone actively investing in STRs and looking to scale, this raises some concerns for me about the long-term viability of this strategy.I understand the tension between hotels and STRs, especially in popular tourist destinations, but I’m curious:How real is this threat?

I may not have explained myself clearly, so I apologize if there was any confusion.You are absolutely right that to carry out tangible commercial activities in Spain, such as real estate projects, it is necessary to establish an SL (Sociedad Limitada).

SO much of the program has to be executed, one by one by one, so I have to touch the same prospect/lead 3-4 more additional times to get it moved from list stacking, over to an active lead, and then into the dialer, and then into a drip campaign.