Also, see this, by @shastingssimon.bsky.socialiopscience.iop.org/article/10.1...

Sufficiency of level 1 charging to meet electric vehicle charging requirements - IOPscienceSearch

Sufficiency of level 1 charging to meet electric vehicle charging requirements, Aviv Fried, Blake Shaffer, Sara Hastings-Simon

Worth noting that designing 100% EV Ready retrofits using significant load management across branch circuits (eg 5-share on 50A branch circuit) can generally be similar life cycle cost as L1 (and much lower upfront), while providing way better charging experience