Bill, in my opinion, take it for whatever its worth.
If your looking to do some canning, look to get a dedicated pressure canner.
After looking my Instant pot thing over, although nice. It would be a pain in the ass to do any serious canning. might be able to fit 4 pint jars.
Not worth the time to set up, an prep, then get 4 jars done at a clip.
I have an recommended the All American 21qt canner. I viewed the cost as a long term investment.