This would be lovely.
I feel like I've kind of hit my limit on what I can get out of the book so real life examples are much appreciated.
On the matter of letting them roll at +0 for Skills, as everyone else has said, yes you should let them do that! Although they don't have a great chance at succeeding. Check out anydice.com to roll up probability tables for any dice +Skill Rating (0,1, 2, etc.) and you can see for yourself. Also, if you take the time to construct a Fudge (Fate) die on there d{-1...1} etc. take a look at the probability curve for 4dF vs. 3d6, 1d20 or any other popular roll. You'll probably like the system even more once you see how nicely it makes the players even more competent by relying on their Skills...
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http://imgur.com/DndOYh6 -> Char. Sheet for Zero
That aside, regarding the Char. Sheet and situation for Invokes I promised. This is one side of the player's character sheet that I'm going to talk about. I think this version is missing the stunts but has the important stuff anyway (Aspects).
Without going into game story. The players blew any notion of operation security in their last mission. They're sitting at a debriefing and getting reamed out for it. Command argues that they need to get rid of a prisoner they took during their mission, he has to be executed immediately because he is a liability and a threat to their deniable asset status.
Player CompelSo one PC, Resident Manipulator, decides that he thinks this is super fishy and sneaks out. He uses what is essentially their Tacnet to make a Player Compel (he offers one of his own Fate Points to compel another player) to a second PC, who was saved from a horrible accident by "Peace" (their boss) and inducted into Black Ops after giving him some cybernetic limbs. He tells Robot Man that he is compelling his "This Is My Only Chance" Aspect, which referred to Robot Man's desire to enact this sort of life debt he has to this organization for saving him, lying to him that he has received separate orders from Peace, that command in the briefing room is compromised and that he should delay them at all costs. Robot Man has no Fate Points so he can't buy off the compel so he HAS to accept (Had he denied it, they would both basically pay into the central Fate Point pool and BOTH would lose their Fate Point).
InvokingRobot Man tries to delay action from everyone in the briefing room (including the other PCs in the room) by various means but they're continuously on topic. So, he decides to derail the conversation by supposedly slipping out, (he's lying), that one of the bumbling aids in the room is in love with one of the officers. He's played his character as supposedly being incapable in social situations and not understanding emotion (Trouble: I'm Still Human -> i.e. sometimes he does let feelings get to him). So he fails his lie check, BUT invokes "Can't Stand Fools" for the re-roll, deducing that the aid will provide the perfect derailment when this comes up cause he's not too clever and gets it, delaying enough for Resident Manipulator to get to the prisoner.
GM CompelTheir boss, "Peace", basically video calls in (which they thought could not happen due to setting stuff. Basically Minovsky particle stuff) at this point and blows Resident Manipulator's lie. Command reveals that they do have contact with him (which confirms some of RM's suspicions, and makes him think even more they're trying to cover something up with the prisoner's death). "Peace" completely agrees with command and gives the direct order that prisoner is to be executed. I compel Robot Man's Aspect that he needs to follow this order "To The Letter". He accepts, gains a Fate Point, the meeting doesn't even finish and he's up and out of the room to kill the prisoner.
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And there you go, the scene closes and this turns into an awesome attempt at an escape plan by some of the PCs with the prisoner, against the members of their own base. But best of all, an awesome scene when Robot Man confronts Resident Manipulator in his quarters as he's trying to sneak the prisoner out. I hope that illustrated some stuff about how the Fate Point Economy works.
p.s. Holy crap, my Resident Manipulator is Caleb and Robot Man is Aaron! I didn't realize this till now lol
Edit: Replaced image of char. sheet with one that wasn't shit-tastic