What Are The Odds?- Collating Crafting Chances

If Gaia was to adjust crafting changes, what would you like to see implemented?

Crafting Cost Cap (Cannot cost more than 'x' gold, odds stay the same)	15.5%	[ 128 ]
Scaling Odds (Subsequent failures increase crafting success)	62.9%	[ 520 ]
Scaling Fixed Cost (Formula has a cost to craft which reduces based on Alchemy Level)	14.0%	[ 116 ]
Other (Please share!)	7.6%	[ 63 ]
Total Votes:			[ 827 ]

[Urd Tanzanite]

Ooh, it's been a while. More data for you!

Formula Level: 7: Yama no Tamago: Alchemized
Formula Odds: Medium
Alchemist Level: 7
Attempts Required: 2

Formula Level: 7: Helmet of the Great War
Formula Odds: High
Alchemist Level: 7
Attempts Required: 2

Quantity: 3
Formula Level: 7: Disguised Painful Blessing
Formula Odds: Very High
Alchemist Level: 7
Attempts Required: 1; 1; 1

Formula Level: 8: Eldritch Horror Tentacle
Formula Odds: Very Low
Alchemist Level: 8
Attempts Required: 5

[Urd Tanzanite]

Quantity: 2
Formula Level: 8: Spice
Formula Odds: Very Low
Alchemist Level: 8
Attempts Required: 42; 2

[Urd Tanzanite]

Formula Level: 8: Mannfrey’s RPM-7 Rocket Launcher
Formula Odds: Medium
Alchemist Level: 8
Attempts Required: 1

Somewhat to my disappointment, I did not get the rare bonus item, the grenade launcher.

[Urd Tanzanite]

Formula Level: 8: Kottan Bell: Alchemized
Formula Odds: Medium
Alchemist Level: 8
Attempts Required: 1

[Zzyli]

Please note this thread is closed for data collection, I'm posting in it to (hopefully) allow people to find it again in Gaia forum search if looking for information on crafting chances.