Hello,
All income you make from the rebates and surveys need to be reported on your tax return. If you make over $600 then the entity paying you will issue you a 1099-k,1099-misc or 1099-nec.
This sounds like hobby income and would be reported on you return as other income.
It could also be considered self employed income if you meet all the IRS criteria.
Here is a link about hobby income versus self employed income https://turbotax.intuit.com/tax-tips/small-business-taxes/when-the-irs-classifies-your-business-as-a...
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