I’ve had close to a dozen LLC or S-corps. They are a level of protection from your personal assets. Consult you accountant or financial planner to find out which suits your needs. When you commingle personal with business espenses and liabilities, it can make things difficult if a client wants to bring a civil suit against you. The more distinct the separation, the better the protection. Here are some LLC threads that may be of help to you.
https://www.daycare.com/forum/tags.php?tag=llc