Compounded that 2.5gb is the norm now with wifi7. Consumer routers with 2.5 were inflated to being with last I checked and I have no idea what they cost now.

Home assistant integrates with Google Home devices as well, so you can start small with your HASS OS device and make a slow transition of your GH devices as you change them out (or retain them). My best friend loves his HASS and GH, and uses them both heavily with HASS as the main driver.