Teen can't get a job

I've been working with my dad for about a year now. I install security cameras, sound systems, set up smart homes, ect. I've been trying to find a "real job" because as it is, working with my dad isn't bringing any new money into our household, it's just me taking a cut of his paycheck. I've gotten multiple people to check my resume and applied to 12 different places. I got one interview and a "I'll contact hr", other than that, nothing. Most of the places I applied were like staples or best buy. Am I applying at the wrong places? I feel like my resume is good. I also know how to code on c# and have over 100 hours of community service. Any advice.

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