I typically plan for 5% of my rents to be saved for vacancy.

"In a 2016 paper, Mark Zandi, chief economist at Moody’s Analytics, estimated that full privatization of Fannie and Freddie would cost the typical American taking out a new mortgage $1,200 annually.

Hi Evan,I would recommend annual rent increases that align with cost of living - assuming you are currently at or near market.Residents typically expect a small increase and it's better to do it each year, rather than getting behind and having to do a large increase all at once.

Do you typically reevaluate your current returns based on the net equity you have in your properties?

The grass just looks greener.

I've exchanged our place with another host by on a 1-1 bases.Host share seems to have an interesting concept of exchange available nights but within 5 days.....so what typically is not rented.

The dated cabins typically need more help than say brand new construction which now are coming with pools and other amenities built in. 

If so you may have some full doc options which have the best rates typically and terms.Like others have mentioned you have DSCR loans too but this only allows you to purchase non owner occupied properties (not primary residence or second home occupancy type properties).

I also accept checks but generally my tenants don’t mail these until the 3rd or 4th which typically means I don’t receive them until the 7th-8th.

Typically looking for max ARV at or below 65%