Edit:
Some thread that I think are great for guidance.
Combination of ideas Thirio and TMAN, Check:
1.Guide to earnings merits (Credits to Thirio)
flowchart diagram Guide to earning merits (by Topkhai)

2.TMAN'S guide to getting merit (Credits to TMAN)
Infographics for "TMAN'S Guide To Getting Merit" (by apoorvlathey)

sorry, I repost your thread. I think this is the best combination about guide to earning merits!
Thank's to:
Thirio
TMAN
apoorvlathey


regards,
....
Topkhai