Advice for EV charging at home. Just call an electrician?

I'm looking at putting in a home EV charger and I'm hoping to get some advice. We have a full 100 amp panel, and the one quote received so far is for $4800 to upgrade the panel to 200 amp and install the EV charge line. I can see the upside, but I'm wondering if a more economical solution would be possible. Maybe a splitter for my 4 prong dryer outlet and then a charging cord into a pass through hatch through the wall. It would be a short run, since my panel is on the driveway side of my home. Anyone have a set up like this, or are there things that I am missing? If this is crazy, does anyone have a referral that they would like to send my way? TIA