If they have been homeowners they are pretty low risk to destroy the house or not pay; the bigger risk might be that they move soon (that it is a transition home rather than long term).If they are an applicant who has never lived away from his parents, this is a high risk applicant.  

Your credit can be destroyed, it will prevent you from working any job in the financial industry, can cause you to lose your job if good credit is a requirement and maybe worst of all, it will hinder you from buying additional properties.

This business can destroy your finances and investments if you don't know what you're doing.

You cheated on your wife and destroyed your marriage.

cats have made real estate investors hundreds and millions of dollars by destroying houses that are sold at a discount to an investor. 

I'd rather profit a bit less and my property not be abused and destroyed than book every last night with whoever is willing to stay there at whatever rate I can get.

Just know that they don't have to take a test or obtain a license to claim it as a service animal that knows better than to destroy your property.

College kids can destroy a place pretty quickly.

When judging a dog, I look at the potential of them ruining my hardwood floors, destroying my backyard, and tearing up my door jambs/doors.

In contrast, large rips or indelible stains justify a deduction from the tenant's security deposit for repairing the carpet or drapes, or replacing them if that is reasonably necessary.One common method of calculating the deduction for replacement prorates the total cost of replacement so that the tenant pays only for the remaining useful life of the item that the tenant has damaged or destroyed.