14k in tax return? Too much?

Ok so i did my taxes and my tax return came out to be 14k
We have 3 kids, i only made 7k iam self rmployeed so i had to pay 995$ for the year, i had a school credit, we had hospital bill credit, we payed car plates, business cards… Combined me and my husband we made 78,000k a year, oh and we pay mortgage and so i guess that added too
We havr heAlth care is it too much? This is the first year we file together we got married not long ago. Last year he got 10k with 2 dependants

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