Rakuten currently has the Honeywell MN12CES-C on sale for 139.35 it’s the lowest I have seen a comparable mobile AC unit. The item is plus tax but shipping is free for 3-9 day standard delivery. Only 19 left at the time of this posting after I snagged one.
https://www.rakuten.com/shop/ipc-…ESBB-CW_1/