SOME NOTES
We have videos hosted on YouTube and on Vimeo. It makes sense to do it on an outside site to keep the loading speed of the shopify site down. (at least that is my understanding. They both have some challenges. I list and have examples below. My preference would be to pay the monthly cost for Vimeo.
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YOUTUBE - more than 1 minute
YOUTUBE - Less than 1 minute
Less than 1 minute (like our fast tradeshow set up and tour videos are classified as shorts and it doesn't look like they are embedable.
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VIMEO
We have a Vimeo account as well. The embeds work a bit oddly but may be resolvable with some help from UNCAP. The larger issue is that, unlike YOUTUBE, we have limited storage for free. We are currently at 65% storage. 2TB is $12 a month
VIMEO - Less than 1 minute