Specifically in SC, though, I would check two things - 1) see if the ATI exemption applies and actually quote the taxes for that particular property on the county tax estimator tool, and 2) get a ballpark quote from your insurance partner on the particular property.

Why is this? 

It’s a gamble, but just looking for ideas from more seasoned real estate minds.

@Heath Shepard I'm not familiar with the builder, however, with this being a new construction CBS build, there's little to worry about regarding hurricanes and additional protection.

Wondering what markets people are interested in buying in right now?

Ooo interesting idea @Bob H., I'm going to build one and try it out!

Quote from @Carlos Villavicencio: Welcome to BiggerPockets!

Use HML to fund renovations• During this time, pay holding costs OOP (including P&I with PMI), any left over money can be used to build up next savings fund5.

Has anyone done this? 

The window has to be big enough to climb out of and there needs to be a ladder to climb up from there or else it will not be legal and you could be liable in case of injury or death.If the basement has a walkout to the backyard on the same level that can work, but most will rise and fall by the above.