Just becasue you are self-employed does not mean you should use the cheap few on features self-employed version. It is single entry, not double entry. You cannot therefore run a balance sheet, for example, something a bank might request when applying for funding. Here is a look at the totality of it https://fitsmallbusiness.com/quickbooks-self-employed/
If you just bought QBO and only have had it a few days they might refund you in full to switch to QBSE - otherwise you cannot migrate current QBO data to QBSE program - they are different animals. Think about putting coil nails in a stick nailer.