Best WooCommerce data scenario?

We have a WP site that uses WooCommerce, B2BKing, Stripe and ConstantContact.  I noticed that my initial integration which has now been lost for some reason but I want to reconnect and get data in sync, in doing so I noticed the Stripe integration which made me think about data modeling in ConstantContact.  Also using B2BKing I have B2B customers and B2C customers I need to communicate with, I noticed last time they all came in together with Woo status' on them.

My questions:

1.  Should I run a WooCommerce and Stripe integration at the same time ? What are benefits?

2. How can I get customer data with B2BKing augmented data into ConstantContact with the tags b2b, or b2c ?

3. Which is the best WooCommerce to ConstantConstant plugin as I have noticed terrible reviews all Woo's and ConstantContacts developed plugins?

Thanks in advance, that Monkey mail project blows