Block the garage as well.

As soon as you see that two-day block, then you'd go into the calendar, click on "Availability Settings" then "Add another requirement" and change your minimum-stay requirement to only 2 days for those floaters.Be nice!

What are your thoughts on blocking off the double doors and using it as a separate, private unit.

Since you’ve offered the $300.00, honor it.Notify them that moving forward you will not be able to provide any further rent credits and offer to break the lease if they feel the living arrangements are no longer working for them.If you feel the above is something you are not comfortable with, I wish you the best of luck with tenants that’s will drain you while they occupy your premises. 

Are there any two-family homes on your block? 

As for a PM managing you can just block the time you want that is how it is usually done. however some PMs want a certain amount of prime time available or they don't want to manage it.

Landlocked property has an easement over a 1/4-acre ell in the neighboring property that otherwise blocks the property from the road and is largely (desirably, for privacy/noise) covered in trees. 

This time, I sent a plumber to unclog the drain, but he left without addressing the washer area.

And anything within a block or so of the ocean is going to take an incredible beating from the winter weather salt air etc etc.. and then you have the Tsunami that is coming with teh massive earth quake that will come and that will wipe out whole towns on the Oregon coasts.

I've used Dennis Block for years, has always done a good job for me.