Jobs I'm applying for typically only ask for the last 5 years of employment history, but I haven't worked in 7 years. How do I address this?

So long story short I have a 7 year gap since my last job. I'm not looking for real high end jobs and most don't even ask for a resume. I'm mostly looking at typical starter jobs like retail which are basically just an application asking for the last 5 years of employment history. Not sure how to go about addressing this without just looking like a 32 year old with no job experience. My experience prior to the last 7 years is entirely customer service/retail based.

Not sure if it's important but, the reason for my gap was being a stay at home dad. We have since split and my return to work was delayed another 2 years due to recovery from a less than successful hip surgery.

Now I know those are fine reasons if asked about the gap, my concern is getting any company to even look at my application. I essentially have no skills to look for anything outside of customer service or retail. Even in that world I'm 32 with only a few years experience overall. I just can't imagine I'm a competitive candidate even in a low requirement field.

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