online arbitrage for amazon USA

hello I just created a new amazon account to do online arbitrage I need a professional and attentive and serious person with his work with the job to apply you must answer this question what is your favorite food? I need at least 10 products a day, the requirements are:

1- products with a minimum roi of 30% and 4 dollars of profit after subtracting 2 dollars that my preparation center charges me and discounting the fees of amazon fba

2- products that are not on the amazon list and that there are less than 15 sellers.

3- that there have been at least 4 sellers on the list and that you have a stable price in the last 4 months

4- that the product has a minimum of 60 sales per month

thank you.