If you give her the 0 she asks for she will eventually OD.Leave the map and when you come back Fannie Mae is gone.

This means that they won't be able to take over New Reno with arms anymore (they can still do it peacefully though).

If you want to bring Skynet with you, you have to extract the virus before you extract the brain, since the robot explodes after fetching the brain.

He will sell you information, 100-200$ for info on Eldridge and $250-$1000 for quest related stuff (harder speech check the lower you offer him). Marked cards can be found on a shelf upstairs at the Desperado or dug up from one of the northern graves at Golgotha.

After you've won 11 times (and are $200 richer), he won't be able to pay you his debt, so you can get information for free (only once).

If you fail any of his skill checks he will attack Note: You have to first offer the money you won, before you can choose what amount to give back.

Doing some repairing and cleaning on Mc Gee's slot machine gives you 50xp, or if you get a critical_success you get 100 xp.

If you give her the 0 she wants, Lou will tell you that you are not helping Fannie any because she is addicted to Jet. Troy in Vault City (or San Francisco), you can ask Lou to slip it into Fannies drink. To make Fannie OD, do the same things as above, until you give Fannie the 0.

After that talk to her again and she will tell you she needs even more money.

So pay attention when he starts moving and don't hang around if you don't want to get caught. Talk to Jules and pay him to tell you about the Mordinos. You should then have an option to ask him about meeting Myron.