Absence fraud, the success of the limitation will often depend on action which regard the entity as separate from the individual and other entities; separate bank accounts, attention to organizational structure, filing of entity documents, non commingling of funds, etc.  

Does it vary depending on property type and unit count (SFR vs Multifamily, vacation rentals vs. long-term rentals)?

Something to consider depending on your risk profile. 

If everything goes right I will be able to refinance and will have created 25% equity, or I may end up having to bring $10-20k to the refinance to get the 75% LTV depending on the appraisal, but even if that's the case it's still a great deal.

Property taxes and insurance can vary wildly depending on the location in SC - there really isn't a rule of thumb or generic figure that can be used. 

Of course, this depends on the location and how the property is managed.

@Natali Cobb depends on what is common for the area.Also, you can put in your ad that W/D negotiable and see what the responses are.

This is a very operator dependent answer.

Hard Money lenders will vary with their general "friendliness" towards first time investors/flippers but there is availability for even a big portion of the flip financed (like 85% of costs) from some HMLs - believe it or not, you can get that much of your first flip financed!

Depends on where you live and how comfortable you are with DIY evictions.