Okay I'm keeping this build short and sweet, because nobody actually reads this S#1T.

Let me go ahead and lay down some facts.

1. Greedy GP will allow you to become the most fed player on either team, regardless of your kills or deaths.

2. To play Greedy GP properly, you must sell your soul and farm relentlessly for the first 15 minutes.

3. Greedy GP isn't for everyone, but if you like walking into a lane and demolishing someone instantly then you're looking in the right place.

Okay so you've just entered your lane, as soon as the minions come you will be farming.

THE ONLY TIME YOU CAN PHYSICALLY HIT THE MINION IS IF YOUR PARLAY IS ON COOLDOWN.

Only last hit minions to make sure you don't get ganked by a jungler or push out to the tower.
As soon as get to a quarter of your full mana, use your first mana pot, and the same for the second. If you get harassed in your lane you should sit back and only parlay minions where possible, if possible DO NOT use remove scurvy and waste your mana, instead rely on your regen pendant for health.

As soon as you are completely out of mana, recall back to base and purchase your philosopher's stone, boots of speed, and as much of an avarice blade as you can. If done correctly you should be able to afford boots of lucidity as well.

At this point use your teleport to return to lane.

So you've just come back to your lane with your shiny new items which are raking you in cash. At this point you should begin harassing your enemy with parlay. You should be doing a good amount of damage, meanwhile continue to farm and parlay minions where possible. If done right your enemy should not be able to get gold or xp from minions for fear of getting parlayed. Play as you normally would, you should be using your ultimate to help your team in getting kills, thereby getting even more gold with minion kills/assists/kills. The heart of Greedy GP is to never leave the lane until necessary, minions are your friends.

Return to base after a long day of slaughtering champions and minions. You should have enough in your bag for an infinity edge by now, and maybe a zeal. At this point, you are more fed than ANYONE else, and an even level if not higher as well. With your overpowered items and high level, you should be able to harass/kill most enemy champions easily. This is the time where Greedy GP's hard work shines, as you should be taking off half the enemy squishies HP with one parlay. Buy lifesteal as soon as you can, as you will be engaging in team fights more often, and slowly finish your build ONLY SELLING GOLD PER 5 ITEMS IF REPLACING THEM WITH ITEMS FROM THE BUILD

At this point you should just snowball into the other items and continue smashing everyone.

100% factual evidence of Greedy GP working EVERY TIME.

Alright so I know what you're thinking.

"WAT NO ARMOR PEN, WAT NO CRIT CHANCE."

Yes, these are useless to Greedy GP, you build items that give you that, early game is all about raking in $$$ DAT CASH MONEY $$$. We have gold per 5 quints and seals. The other runes are just to give you some tankyness in both armor and magic resist. This ensures you have staying power in lane. Less damage - More time in lane - More parlay kills - More GOLD.

0/9/21 Masteries give Greedy GP the best mix of standard early defense, while still retaining the gold per 5 addition. Speccing into utlitity ensures you benefit more from being a passive early game player. You have mana for your farm, cooldown reduction on spells/summoner spells, along with increased experience gained.

This mastery setup ensures that you are rewarded and ecouraged to stay in lane farming up that money.

1. With runes/masteries/Gold per 5 you will constantly be making money.
2. Always parlay minions, and max parlay first to get more gold per kill.
3. Stay in lane as long as possible, conserve mana to parlay more minions.
4. Don't try to kill people until you have at least your B.F. Sword.
5. Use your ultimate + teleport to keep your lane pushed while you're away, and to get minions.
6. If played right, you will become FILTHY RICH.