Amazons can be really great companions, but you do have to be aware of their problems as well. My experience is quite limited as I've only had one Amazon (Yellow Crowned) but I wouldn't trade him for anything!
A few points on Amazons:
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They can be very loud. I've never found the noise to be intolerable by any means but they're DEFINITELY not apartment birds. They just like to make noise when they're having a good time. Or in my bird's case he also likes to see if he can bark louder than the dogs
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They are quite independant. This is good and bad, depending on what type of pet you're looking for. They're not cuddly like most other birds, so if you're looking for a bird that will cuddle up with you and fall asleep with you get a cockatoo. Their independance can also be a very good thing. They're not devastatead if you leave them alone for a few days (with somebody checking on them of course) and you can have time away from your bird while they're out around the house playing. My Amazon likes to cuddle with me when I first get home (my husband and I both work full-time day jobs) because he's a little lonely but after he sits on the couch with me and gets his scratches he quickly has enough and flies to his perch. He will play for hours on his perch. They really do love to play and their noise will let you know how much they're enjoying themselves! They are definitely not a boring bird, I can watch Mojo play for hours.
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They can be excellent talkers. Yellow Crowns are not included in the 'Top 3' for talking but mine is a very good talker. Mojo loves to talk and once he gets a lot of practice he talks clearly. Keep in mind no bird is guaranteed to talk.
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They can be very aggressive. Especially the 'Hot Three' which are your blue fronts, yellow naped, and yellow headed amazons. I don't know about the smaller amazons but the yellow crowns, yellow headed, and yellow napes are known to be aggressive especially during breeding seasons. My Amazon hasn't hit sexual maturity yet and he can already be extremely aggressive when he chooses to be. One suggestion I have for anybody that gets a baby Amazon is to teach it to readily step up onto a stick and to step up onto thick leather gloves and to practise it regularily. You'll be thankful you did this whenever your parrot gets fired up. And they get fired up pretty easily

Also you should practise handling its feet and lifting its wings while they're in their sweet baby stage.
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They get jealous. Be prepared for your amazon to hate either you or your husband. Whoever it chooses as its mate will be the favorite and everybody else will be seen as competition. Make sure that both of you take care of the bird regularily and both handle it regularily. If the bird will be yours you should be the one feeding and handling the bird about 60% of the time and your husband should take care of the other 40%. As you likely know most birds can easily become one-person birds so you should do what you can to prevent that from happening. My husband had very little to do with our Amazon because he was scared of birds, now we have a LOT of work to do to fix it. My husband is the enemy and I'm his prize that needs to be protected. They're definitely getting along much better lately, but he did have to have his wings clipped again because he would randomly fly to my husband and full out attack him without reason. Not all amazons will develop the same problems, some are known to get along with everybody in the family. Just something to be aware of and to try to prevent.
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They're amazing birds. Mojo is far from boring. He has so much personality and really is a sweetheart. Amazons are very expressive and you can easily tell how they're feeling. They're extremely intelligent and easily learn how to make you dance like a puppet. This does mean that you have to always be one step ahead of them because they can easily make themselves head of the household before you know it.
Overall they're really great. They have so much fire and spirit in them that they're just amazing, you just have to keep in mind that they can be reactive too. If an Amazon is what you decide on arm yourself with information. I really recommend looking up information regarding typical Amazon problems. If you're aware of the problems they typically have you can learn about preventing them. And keep in mind that just because they're on top of their cage in full Amazon display it really doesn't mean they're bad or mean, you just need to learn how to handle them when they're in that state of mind. Sometimes it's something as easy as target training them or asking them to do a favorite trick to make them snap out of it and calm down. You have to respect them and train them. They're not a little bird that will tolerate being picked up and told what to do, but you just have to make them think it was their idea in the first place

. I truly believe once you have one you'll never go back. Problems and all they're a very rewarding parrot.