I want to add amazon affiliate links on my websites set up

i want to add amazon affiliate links on my websites. Samples websites are below, kindly take a look. I have an old amazon affiliate account. If i could not able to find that amazon account then a
freelancer will have to create a new account for me. Possibly i would have it but I will need to check it

Below are some sample websites of amazon affiliate programs for your reference which should be in the simiar way on my websites too

1. https://frolicflock.com/vinegar-eco-friendly-cleaning-tips/
2. https://frugalbuzz.com/
3. https://dreamtravelhotels.com/hidden-gems-underrated-dublin-hotels-stay-at/ 


my websites are below and niches are according to the website:

1.For hot trending general products on below website:
https://shopbydot.com/


2. For health related affiliate products links on below website:
https://healthyimpulses.com/


3 & 4 .job seekers related products on this website:
https://jobholder.us/
https://thejobholders.com/

** Please share your previous sample of work with me too. Thanks