If you plan on doing bottom bracket maintenance occasionally/only on your bike (and you have the tools or know someone who has them and/or time), you can make a lock ring pliers and a "Sheldon Brown fixed cup tool" easily and cheaply. I've had my set for 5 years now, and have worked pretty well on my bikes (albeit none's a classic or something valuable/rare!). Here's my set, and the link for the Sheldon's bottom bracket tool.
https://www.sheldonbrown.com/tooltips/bbcups.html
For the adjustable cup, you could try an adjustable pin spanner wrench.