FB ads are perfect to make sales from your webshop, it will be connected to your FB page/shop and also Instagram at the same time.
When FB ads are exposed, it is perfect to combine it with the Instagram package to get more followers and sales.
In combination with landing pages to collect emails, FB ads are the key.
When you combine FB ads, Landing pages, Webshop, Instagram it can be very powerful when supporting each other. If you wanna do crowdfunding all the above is key.