I personally collect a security deposit and get the damage protection waiver for added protection.

Ive also heard of online marketing campaigns--targeted FB ads--that can be configured to only target users on your marketing list.

That is if there is no record on the platform of the request.Otherwise you can modify the reservation to add the week and do a payment request for the extra cleaning or bake it into the extra week charge.

Renovated bathrooms, kitchens, added washer dryer to each unit and new lighting throughout.

If you are trying to piece everything together yourself remotely I think the time and brain damage and extra cost in time and cash you would be better to go yourself and do it. 

If the numbers still look good even after adding the insurance costs, it might still be a solid investment.

I never thought about adding spices. thanks

A personal connection can help you stand out.Request their deals list - Ask to be added to their email or text alerts for any properties they’re marketing.This strategy should help you turn those responses into potential deals.

But zero chance I would pay the extra to sell to this one buyer or expect debt to be forgiven. 

Umbrella Insurance: Adds protection for high-cost liability claims but doesn’t fully separate assets as LLCs do.RecommendationConsider one LLC per city for balanced liability protection and simpler management, paired with umbrella insurance for added coverage.