Build experience and adjust.Some hosts use cleaning fees as a source of income.

I am thinking of co-hosting my rental in str/mtr.

Most cost segregation firms operate nationwide.There are two types of cost segregation studies that you can get, both of which are done by engineering firms1.

Any market can work, you should consider a market that you have some 'competitive advantage' compared to others.Think of an area that you grew up in, went to school, visit friends / family, visit often, best of luck.Also, do you have any experience in rentals / short-term rentals.Air-bnb's hosts have become 'commercialized'.You will not out-perform a host who has years of experience, does this 24/7 and has a team of support.Best of luck.

I ask them not to book since there is cancellation penalty for hosts.

You have a debilitated fence-- as a landlord fix that ****.And firmly let the tenant know he needs to be responsible for his dog.

Quote from @Neeraj Shrivastava: Stand firm and tell them you won't pay it.

How many IFBB pros you planning on hosting

And I’ll let you in on my experience of 40 plus years in real estate, and having personally met many of he older time gurus; take away the slick presentation (prepared by a marketing firm in either Las Vegas, Nevada, or in Provo, Utah), the “glamour” shot appearance makeover, the unsubstantiated resume and personal history, and the buzz words and motivational bs, and what you’re left with is most times a salesman/marketer and NOT someone who has had much if any success investing in real property.   

He used to run STORE Capital’s $10 billion commercial real estate portfolio and oversaw the firm’s underwriting team.