You could make a bundle and create a new listing. Any other creative strategies ought better be utilized on your own website, not on the Amazon marketplace.
No. You need to understand they are Amazon’s customers, not yours. Any attempt to draw them off the Amazon platform will most likely get you suspended for life.
Seller code of conduct Circumventing the sales process
You may not attempt to circumvent the Amazon sales process or divert Amazon customers to another website. This means that you may not provide links or messages that prompt users to visit any external website or complete a transaction elsewhere.