Under what circumstance might you recieve a tax refund from the irs?

You do not qualify for EITC if your tax filing status is "Married Filing Separately".
You must have a valid Social Security number for yourself, your spouse – if filing a joint tax return – and any qualifying child listed on Schedule EIC.
You must have earned income.
This, along with many other circumstances determine eligibility for IRS tax refunds

the internet?

Explanation:

the internet has a wide variety of potential opportunities