Would a raffle system be that hard?

[Jojoya]

Is this through, like, gardening?
Or are you also talking about submersibles and other FC house things?

Gardening. Actual amount varies by server, of course.

But for Coeurl at least, shards are currently selling for 60-110 gil each. Deluxe Garden Patch has 8 beds for planting. The shard seeds (Firelight, Levinlight, etc) yield 50 each if you're using normal Potting Soil. Using Grade 1 Shroud Topsoil will increase yield by +15, Grade 2 by +25 and Grade 3 (which you can get through tomestone exchange in Idyllshire) by +50 (so 100 total). The seeds take 18 hours to grow so if you're logging in at the same time every day, they'll always be ready for harvest when you log on the next day.

That means you get anywhere from 400 to 800 shards a day. If you've got 400 shards at 60 gil a shard, that's 24,000 gil. Multiply that by 30 and you've got over 700,000 gil in a month.

If you sell them in small lots of 200-400, you can usually get more than the lowest going rate because newer players who need the shards generally can't afford to buy the stacks of 2000-5000 you typically see listed (that's 120k to 300k gil) but could afford to pay for 200 shards at 100 gil each (that's only 20k gil).

I know these amounts are pocket change for some players but for those who feel like they struggle to make gil, it's a solid amount for little effort if they've managed to get a house. It even works to a lesser degree if all the player has is an apartment. You can still have 2 flowerpots that will yield the same 50-100 shards each for 180k or more a month (again depending on your server's shard prices).