I do my own property management to keep my expenses low. 

An 80% occupancy rate indicates low demand. 

A a low-temp sensor be added for you to be called if the temp falls below 55º ?

If you are skilled in each of the areas above, and you have enough in reserves to cover the costs of when things do not go as planned, then you can likely attract money from private money lenders who want to get a return on their money and they see lending to you as a low risk way of earning a better return than in the other passive investing options they have. 

But I do think that the overall quality is very low compared to the rest of the US.

I too appreciated your response, so your recommendation will hold a lot of weight. 

Yes, Spain has a wealth tax but it's above €2 million taxable income and the rate is low so it's not going to kill you.3.

Home last sold in 2007 for somewhere around $120k, currently could sell for upwards of $400k, so it's probably paid off or has very low interest rate.

These platforms typically have billing policies where you pay a per unit fee per month to the software and you get regular updates and support each month.There are a number of low-cost platforms available that are able to offer you a lower price by passing along some of the costs to your tenants (payment processing fees, applications, tenant screening, etc).

I have a wife and 3 kids and the weight of their futures on my back.