One system
Exporting a CSV on Friday to upload it somewhere else on Monday is how a list goes stale and a launch goes wrong.

The store writes to the list directly; there's nothing between them.
Write the email beside the product it's about.
Not a store plan plus an email plan that both scale with your list.
Sales attached to the product, not guessed at from a chart.
0%
platform fee on any plan
~1 min
to claim a link and publish
10
product types on one page