I drill at home. I suggest trying to find a drill with basic jig. You could probably find something for around $500 used. For bits, you can get away with 2 or 3 (1, grip usually 31/32), 1 for thumb, 1 for slug if desired (1 1/4 or 1 3/8").
The Jig is really the critical piece as it controls your pitches. If it's not right, your pitches aren't. I disagree on the need for x-y table. I do all my oval shaping by hand.
If you plan on plugging balls, get 1 gallon, it will last forever. You can use plumbers putty to build damns if you don't want to buy the sticky damns. Sticky works best.
Some sort of plug cutter, if you have a router you can modify to cut plugs. Ball spinner, drawing scale, pitch gauges (the plastic one is fine). Bevel sander, bevel knife, ball cups. With the new weight rules, I don't think a scale is needed anymore assuming the ball has reasonable top and you don't get silly with the layout.