You can jump around and enter your W2s, 1099s and income and deductions in any order. Joint is one return combined for all your income including your self employment.
You probably need to use the Self Employed version. You can enter Self Employment Income into Online Deluxe or Premier but if you have any expenses you will have to upgrade to the Self Employed version.
How to enter income from Self Employment
https://ttlc.intuit.com/community/self-employed/help/how-do-i-report-income-from-self-employment/00/...
