Sounds like you have the fever.
Well gear is something you'll have for years if you take care of it. A one day class, is just that and the education process is for many of us, a lifetime endeavor. A one day guided trip could be a great learning experience, if it's applicable to your pursuit.
Recommendations without area specifics are futile. Depending on your circumstances, some purchases could be deferred while still allowing you to fish, but again, without details, it’s anybodies guess.
Like many other here, I don’t generally dispense advice to anglers outside my area. All things being equal, no two places are
equal…. With a limited budget, this isn’t something you want to get “ sort of right! “
So if you can, please elaborate and maybe someone with the same interest in your region will chime in.