Preflop, I think your decision is close between pushing all-in or calling. Given the size on the blinds, pushing it all in is certainly a reasonable strategy, especially if there is some fold equity. Calling and taking a flop to decide if you want to make your move depending on the action and what flops also seems resonable, especially because you have position.I think the mistake is made on the turn. The outcome would likely be the same, but raising to 5k doesn't seem like a good option. There is 6600 in the pot on the flop. With his 1200 and your 5000, the pot is 12800 and your raise is only