Five and seven isn't bad at all. Many people consider that to be an average setup.
(Many people over forty consider it to be too low.

)
Without spending a good bit of discretionary income on tools, or a similar amount of time to build them, it is difficult to achieve the degree of accuracy necessary to level the fret plane and get a ridiculously low set up. And then there is the experience of actually using the tools. Unless one is an experience tool user, it takes a few tries to get the feel for the files and abrasives. Just learning how not to push leveling device can be frustrating and time consuming. We won't begin the debate on the Erlewine neck jig. Even with the tools and experience, the effort can be frustrated by a fretboard out of level or an uncooperative neck.
If one wishes to learn how to do this and do it well they would do well to purchase Dan's fret book in addition to the repair manual. Flea market season has begun in the north east. Get up early on Sunday morning and buy a few guitars at the local flea market and practice.
Or support your local pro. Their kids need new shoes.