First bit of advice: don't shoot film.
Yes it's trendy to say you do, but it's very expensive, and unless you do your own processing and printing you won't have complete control over the results and you're unlikely to get what you want out it.
Second bit of advice: get Adobe Lighroom
Especially if you follow my first bit of advice, but even if you don't. Lightroom is how you control and overcome the issues you noted in your post above.
So long as someone else is processing your film, your at their mercy. If you're having it done at a drugstore or big-box store, there is no mercy.
If you have it done by a professional lab, that portion of the equation will be more consistent and you'll have solid foundation you can build on when you scan and move your work to a computer (for post processing in Lightroom).
Consider this, if you shoot a roll of 35mm, 36 exposure film with a manual SLR, your odds (really anybody's odds) of getting an acceptable level of "keepers," let alone great shots, are very limited. And because of the time it takes to have that roll processed and printed, your opportunity to correct anything that might have gone wrong, has usually vanished (certainly the moment has). With a decent digital camera, you can take as many shots as you like, experiment all you want, and see a pretty good version of what you've accomplished, right on the back of the camera--while you're still in sight of your subject. As you can imagine, It's very inconvenient to have to fly back to Paris to improve your exposure on that otherwise great shot of the Arc de Triomphe de l'Étoile, n'es pas.?
Trust me, there's a reason George Eastman invented the Nikon D850, and it's entirely possible that reason was to make you, a really great photographer ;- )
Know whud 'ah mean, Vern?