If the amount is less than $3500 you can enter it as casual income (other employment income). Click "Income" then "Other Income Sources" then "Income not reported on a t-slip"
If the amount is over $3500 you should complete the business portion of the return. Your business name is just your own name, and your business address is your own address. As you don't have a business number you do not need to include one. However you will also be able to deduct expenses against the income in order to reduce the tax liability.
If the amount is less than $3500 you can enter it as casual income (other employment income). Click "Income" then "Other Income Sources" then "Income not reported on a t-slip"
If the amount is over $3500 you should complete the business portion of the return. Your business name is just your own name, and your business address is your own address. As you don't have a business number you do not need to include one. However you will also be able to deduct expenses against the income in order to reduce the tax liability.
Where do you see the $3500 limit?
According to CRA training you need to enter a NAICS code if you complete a T2125.
May depend on whether you receive a slip.
I’m confused on where to enter my babysitting income
According to CRA, once your casual income is more than $3500, you will need to contribute to the CPP (Canada Pension Plan). In this case, you will have to report this income as business income. From the left-side menu, search for self-employment under income. Or you can search for self-employed using the magnifying glass on the top bar. Use "other type of business: to report babysitting income. This will open the T2125 business sheet:
https://turbotax.intuit.ca/tips/small-business-tax-tips-filing-a-t2125-4119
If you made less than $3500 in babysitting income, you can report it on line 10400 as casual income, and there is no need to fill the business sheet:
I hope this was helpful