developing

I've just seen this article looks promising... watch that space

https://www.lomography.com/magazine/347678-how-to-find-your-developing-time-for-any-black-and-white-film Has anyone done something like this? It could be a really interesting way of testing out unconventional developer concentrations if it works.

I am now down to 5 more shots of my first ever roll in 30+ years, I am excited to see what I get but mildly terrified too. On the one hand I want to just drop off the roll at one of the last consumer photo shops in town that develops film, and on the other I want to drop it off at one of the...