This game is not difficult, but it can be very time consuming if you punt a lot. If you have certain regions that you punt in, I recommend keeping a growing list of WGs, with your notes annotated directly onto a snapshot of their AW profile. Positives, Negatives, services they perform, whatever notes are relevant to your interests. Because all of the key info is already there, you can quickly browse these profile snapshots to determine your backup punt: plan B, C, D, etc. Because I travel about 1.5 hours to get to London just to punt, I keep about 10-20 of these in my punting phone, so I not only have several backups, but I can chose a girl based on my mood. A little later I will write a detailed guide to researching and summarizing punting options, and also get others' tips and tricks for this.
Also, as you gain more experience, it's good to mix in some slightly risky, unreviewed WGs to take one for the team. But that's another area to estimate risk from unreviewed profiles.