At various times, Hyundai offered purchasers of their e-gmp models rebates of $7.5k-10k, or 2 years of free charging at Electrify America stations, or level 2 home adapters/chargers, sometimes including some costs towards installation. With a bit of patience and haggling, you could've gotten at least two of the three, if not all.

The Kona EV, like the Niro EV and non-numeric Ioniq models, isn't based on the electric e-GMP platform, but is using the old gas vehicle platform, and incentives on those models are lower, probably because there is less need to increase sales of those.