Cheap, small, athome milling machine : r/Machinists
WEBSherline is pretty good for what you want, possibly a little too small. And they're expensive for what you get. You have to buy all their custom tools (rotary table, boring head, etc) because everything else is too big to fit on the mill. Othermill. " x " x 1" stage. Machine is enclosed, just over a cubic foot.