Even if your GC is decent was able to get your job done in 100 days, if it doesn't resemble the comps in quality then your 300k exit is now 270k and with all the exit costs and holding costs your 40k expect profit is now under 10k. 

Or just regular buyers? 

Very high risk and nearly impossible to make the numbers work for long term buy and holds even back in 2017-2021 when rates were favorable.

are any of these regular tax deed sales?

If you can get hold of a reliable and honest builder, you will be fine (that does not mean you will not go over budget).Low CapEx, Little Hassle, Quality Tenant, You can manage new construction out of state for the first 5-years, Tenant May Stay longer (because is a brand new house) are few benefits of new construction.You may not be able to get close to the 1% rule though.Goodluck

We already signed the purchase agreement several months ago...it has been on hold while they mitigated a pest control issue that has taken 2 months.If it's that important, make it part of your purchase agreement.

He studies markets and publishes regular updates on which markets are the best for your goals.Use the search bar.

Base an NC tenancy law, after 14 days they are considered a regular tenant.

I worked in sales before going full time in my rental property business- making 5k plus $120/mo could have been done in a regular job with less work than doing a BRRR SFR.Your family and your well being are too important to put on the back burner!

Usually when you buy a property you either decide 1. flip it as soon as possible or 2. hold for a rental long term.