Single-member LLCs are the business entity of choice for small businesses with one owner. With an SMLLC, you get personal liability protection that you don't have with a sole proprietorship.
Nolo's Guide to Single-Member LLCs has all the essential information you need to decide whether an SMLLC is the right choice for your business. It explains:
This edition explains SMLLC taxation, most importantly the 20% pass-through deduction available to SMLLC owners.