If the jobs he qualifies for are mainly commission based sales positions.
He may be able to earn a micro degree for $50 from an internet course to seek employment with better benefits and pay. It could be harder now due to many thousands of tech and IT positions being cut by large corporations during 2022. But there is a good variety of micro degrees which can be obtained without needing an expensive college loan with years of debt repayment.
There are many free tutorials and educational content available on the internet, which can be used to learn and master new vocational skills.
Many in their 40s and older with no prior experience who are learning to develop mobile apps and new IT skills to reinvent themselves. There are a number of feel good stories circulating about the trend.
I'm not saying its easy. But there are open doors and opportunities which could be available.