It's mostly Class A properties, a few Class B.You may find the below copy & paste info useful in addressing your question:----------------------------------------------------------------------------------Recommend you first figure out the property Class you want to invest in, THEN figure out the corresponding location to invest in.Property Class will typically dictate the Class of tenant you get, which greatly IMPACTS rental income stability and property maintenance/damage by tenants.If you apply Class A assumptions to a Class B or C purchase, your expectations won’t be met and it may be a financial disaster.If you buy/renovate a property in Class D area to Class A standards, what quality of tenant will you get?

Here's a https://www.irs.gov/businesses/cost-segregation-audit-technique-guide-chapter-4-principal-elements-of-a-quality-cost-segregation-study-and-report to the IRS website noting specific items that are included in the cost segregation study report. hmm, that website is a 404 error.  

They can't assess all the subjective data like overall layout, view from the living room window, the dogs next door that bark all day, the width of doorways, size of individual rooms, quality of kitchen cabinets and appliances, etc.The best thing to do is study your market regularly.

Again, treating folks with housing support funds with the same dignity and respect as everyone else, usually nets quality clients that listen and do their best to follow the rules.

We didn't know the siding needed to be replaced because it was just recently replaced by the owner before selling it to us, but probably with bad quality paint/siding. 

The mailers I receive for my properties are not of a high enough quality, to make me believe the sender understands what gets a recipient to even open or read the mailer, let alone respond. 

Most of the time, the home warranty takes a long time to approve your repair, reach the property, and then they use low-quality materials.

Dwelling (Building coverage)The limit should be based on the Replacement Cost of the building (cost to rebuild withthe same kind and quality excluding the foundation)2.

These qualities are far more valuable than the numbers in your bank account.7.Set clear goals.

The key is to standardize property quality and management systems, which would appeal to buyers seeking scale.If you’re thinking long-term, holding these properties for cash flow while leveraging local appreciation is also a strong play.