Not too sure I want changes to the analyse system.
Took me 10 tries to get the Zet ML, and at around 25mil per to buy, it took a while.
Luck place a big part in the game.
You may get it on the first try and be the uber seller for that item for a while.
I say leave the odds as they are. There are plenty of terminal devices etc that can improve your chances and dont forget, Always group with a TT