How should I go about starting to flip homes?

I have experience rehabbing homes and I want to start buying and flipping homes. I need some advice before starting. Should I create an entity first before I start? If so what kind? LLC, S Corp, or? Also I plan on using a home equity line of credit to purchase the properties. If I create an entity will I have to buy properties under my name or write a check to the business then purchase property through business to avoid any liability between me and the business?

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