Hi,
I am an experienced software and Web developer, and I am highly expert at developing Web bots. I understand that you want a bot that automates the purchase of certain items on Amazon. The bot must be able to log in to Amazon using accounts and proxies from an Excel file. The routine you mentioned is common; I've already developed a lot of bots that share the same routine. Just so you know, I have already developed a plethora of Web bots, accessing websites such as Google (and its services), Facebook, Lenovo and a lot of other websites (some not globally popular), on which clients request me to develop bots. These bots have proxy support, and some of them are add-to-cart monitoring bots. Yes I am making myself impressive because I really am. And that's how confident I am that I can develop yours. I am a dedicated developer, and if you want to work with the best, you got to work with me.
Respectfully yours,
Mark