This is exactly what us hunters do year after year, time and time again. Drive for hours, hike for miles. Gathering what information we can. Then at some point we have to make assumptions and commit to some scenario in hopes it pans out the way you assume.

A tremendous amount of time and effort is spent with it all riding on a few, hopefully, well placed assumptions. Sometimes it works out, sometimes it doesn't. Usually your acquaintances only hear about the times the hunt works out. Same with this. We only hear about it, because it worked out for the hunter