Please contact TT Live Support (one-on-one help, which you’re apparently paying for) :
https://ttlc.intuit.com/community/expert-review/help/how-do-i-connect-with-a-tax-expert-in-turbotax-live/00/27282
Overview: Including a 'small business' usually requires adding Schedule C to your 1040, and an upgrade from Basic to Self-Employed, but if you didn't know that already, you'll have lots of other questions. A suitable reference reading starting point: https://www.irs.gov/businesses/small-businesses-self-employed