It might be a niche subject area and therefore won’t pull in any views but I’d love to see a video on the resale market. Buying expensive tech from eBay is always a risk but you could maybe reach out to CeX and see if they want to sponsor a video?
They offer a 2 year warranty on all stuff and have enough high street penetration that even if you buy online there is normally a local store for returns.
Old Apple kit keeps for a long time with even 10-year-old Macs and iPads still being useful. I keep a 2nd gen Mini knocking around for use as an e-reader and the odd bit of note taking and the battery lasts for weeks on standby.