It's fantastic that you already have reliable connections to assist you with your flips.

Separately from all of that - I recommend reviewing your lease up procedures to improve verification of signing tenants and their agreement and aware of terms and conditions. 

I don't trust them and it so much more reliable to take a few minutes and look at your real competition to set pricing. 

Any recommendations on reliable and top notch cleaners in Raleigh?

All channels can work, but some do pan out more reliably than others over the long haul.You’re prety likely eager to free up that mortgage.. and who could blame you?

My first rental I asked the guy at the closing table how much he usually got for rent and he told me he could pretty reliably get 300-400.

If they are, I would pay them off first.I would invest in a different market(likely bigger market) where you can find reliable contractors or find a PM that will be able to manage the properties.

In almost all investments, you should have a solid base of reliable, cash-flowing, and hopefully appreciating assets before striking out into something new or riskier. 

Higher-quality areas attract tenants who are more reliable and tend to take better care of the property.

You can run one-off searches for phone numbers and email addresses, and they often have promos for new users.Spokeo for Professionals: While not specifically real estate-focused, it’s a reliable option for finding contact info for individual property owners, especially for one-off searches.Forewarn: This is great for verifying contact details and gives a bit more intel on leads.