Does FREE SSL Benefits SEO & Collecting Payment From Stripe

I am now hosting a wordpress ecom site on Godaddy's share hosting & planning to use SSL. There are paid one and FREE one in the market. i shall use Stripe as a payment gateway & I dont know how to choose for that.

There are few things i want to know better:

1, Does FREE SSL Benefits SEO?
I saw an article from google webmaster blog give a tips that use SSL 2048-bit key certificates. So if using FREE SSL (DV) such as Cloud Flare or Let's encrypt, could this fulfill the requirement of…

Does FREE SSL Benefits SEO & Collecting Payment From Stripe