1700
It's official: Smartphones will need to have replaceable batteries by 2027
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
You know you can get the battery replaced, right? Not as cheap as buying a replacement yourself, but not that much compared to a 1000$ phone.
I'd also say an $89 battery replacement is pretty much the cheapest option (barring aftermarket batteries), especially if you don't care about the developments in the latest phones.