They eventually reach a point where they tire of reading the same questions and answers, or they are too busy with other pursuits to stay involved.

Stay positive😉

Along with constant moving.. many of these tenants at least in that market will simply move annually they know the landlords will bend over backwards for a 100% voucher so they just pack up the few things they have an move to a freshly renovated house and leave their old house behind..

Hi Alex - The law is clear and you have to complete 2 years of stay and 5 years of ownership. 

I'll stay in touch.

Is there any feedback/ suggestions or items to improve the home for the next guest stay?

Stay away from coastal states until you have experience. 

For instance, in a time of economic uncertainty, the fed may lower rates but the perceived riskiness of a 30Y fixed rate mortgage may be higher, causing that rate to stay the same or even go up a bit compared to Treasuries.

However, since we are staying out of the country, we would like to look for a reliable airbnb property management companies to do the end-to-end management from task i.e. listings, fixing a broken lock, get the house clean, liaise with guest etc.Any recommendation?

He stayed an extra 2 months after that, promising to pay.