It's uncommon, but not unheard of.There is no paperwork proving that a service dog is an actual service dog. 

The frustration and extra costs you're incurring while you sort out the electricity and laundry room issues (relatively minor costs), or that the tenant told you one thing and then did another (not too uncommon), or that you're uncertain how to manage rental property and effectively work with tenants?

It is not uncommon for inherited tenants to be a problem and evictions are common.

Paying in advance this much takes a lot of landlords by surprise but it's not that uncommon.

The lease allows for pets and its not uncommon to have verbal changes--not saying its best practice, but it is common.

In a host of other industries, customers are extended credit all the time; 60-90 day terms aren't uncommon, RE is an outlier in this regard.

You still pay for 2 hours.These guys mark up labor all the time, it’s not uncommon and in of its self isn’t immoral.Now getting irate and all that isn’t professional, but you not paying them also isn’t right.

@Nathan Ramirez This is not uncommon particularly with smaller mom and pop operators.

The thing is, it's not uncommon for there to be some cracks or roots, etc., in old ceramic pipes and that doesn't necessarily mean they need to be completely replaced.I don't know if you're dealing with a PM, but there could be a major scam there. 

In a lot of places they are uncommon and desirable but not necessary.