Thanks again! Still stuck, though 
Below is my most recent attempt, using your notes…maybe I’m just missing something small still? The token is going through, and member is inserting into DB, but ID is coming back from Stripe ‘undefined’.
I’m sorry to keep bugging you with this, but I’m just struggling to wrap my head around all this and figure out the issue. Any thoughts, Giedrius?
Here’s the backend code too, in case something’s off there now. Note there is an error on line 28 (‘entries’ is undefined for "Object’ in ecma5) … I don’t know if this is related…
Thanks again for all your help!!