While I really like to do the BCNMs/ENMs for gil (my vote), fishing presents the most consistent gil for me.

On Fishing

Once you get high enough, take a trip out to SSG with a Shrimp Lure. Bring a rod that can catch “big fish” and you can net approximately 200k in an hour (much more if you have a Lu Shang's Rod). Alternatively, you can fish for black sole while LFG or Squid (in Qu[tab] Island). If you are a lower level, stick to yellow globes or moat crap – for gil. The new fishing system makes it much easier to catch high level fish.

Also consider catching Shall Shells with a robber/rouge rig. Just a note: Fishing skill-up, is extremely slow post 35. Fish for gil first and skill second.

On BCNMs

With the exception of BCNM 20 - Charming Trio, BCNM drops can be highly variable.

That being said, BCNM 30 - Creeping Doom is very easy with 3 BLMs. I owe you a guide Maior and will try to type one up this weekend.

For those BLMs in the LS that are interested in doing a BCNM 30, let me know. All you need is yourself, Aspir, Sleep, Paralyna, and Water II

On Poverty

I had a nice drop on my last run and am now, just a mere 52M gil away from a Sha'ir Manteel (before selling my Lu Shang's Rod)