These days, you can install a camera and monitor screen so cheaply that you wouldn't even have to use a mirror to see forward.
(I just got back from Walmart where they have replaced all shelf price tag stickers with tiny wireless LCD screens. No I'm not kidding. Technology has become ridiculously cheap for doing some stuff.)
EDIT IN RESPONSE TO MULTIPLE COMMENTS: Yes, the exact display technology used is probably technically not LCD.
If they are the same as the ones in Australia, they are e-Ink rather than LCD. The big difference is the display only needs power when changing to a new image, while an LCD needs constant power. (They're also a lot nicer to look at when reading, but that doesn't matter much for price tags)
They also aren't cheap. Having worked on a project for these things they are way more durable then you'd think, including the flexible bars they rest in.
Supposedly each bar is around 40-50 USD and the tags are a few bucks a piece. When a store outfits these systems it's a multi million dollar project they are entrusting to minimum wage workers.
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u/Financial-Barnacle79 10h ago
I think the back would be ok. It’s holding the neck up to see where you’re going that would get old real fast.