I think the issue is going to be more on BP side of how do you collect and monitor this, and is it really worth it, or do you just ban someone for a month for first offense, 3 months for second and lifetime for 3rd...

Airbnb for sure collect data by letting you use the sync calender.

It's great you want to optimize your property management on your first two, but you should also optimize the properties themselves before looking to buy anything else.

To avoid actually collecting money every week the lease agreement stated that the term was week to week, but if you paid in advance for 4 weeks worth of rent on the 1st of the month, you would receive the remaining days of the month at the discounted rate of being free. 

Our electricity bill went from $4100 / year to $833/year (with added 2 EVs)With that being said, to answer the question of ROI, it is SO dependent on your usage and local pricing scheme, and you really have to do your own homework to dial in the right system set up to achieve the optimal results.

Consider Autohost or Hostfully both offer robust guest verification and deposit collection, tailored for professional hosts.

The name of the game is collect monthly premiums and payout as little as possible.

The note investor who thought that even after he sold the note he was still entitled to collect the monthly note payments. 2.

Also, focus on 2 years of job/income stability.Class D Properties:Cashflow vs Appreciation: Typically, all cashflow with little, maybe even negative, relative rent & value appreciationVacancy Est: 20%+ should be used to cover nonpayment, evictions & damages.Tenant Pool: majority will have FICO scores under 560 (almost 30% probability of default), little to no good tradelines, lots of collections & chargeoffs, recent evictions.

Continuous evaluation of market trends also played a key role in setting the optimal sale price.