Is it possible if you have multiple selections in one form (i.e say a mileage form with several trips) that each trip populates a separate line in the data base (google sheet)?
You could use the Zapier add-on to send data to Google Sheets:
I am not sure if that will create a new row for each trip mileage in one form. I believe it ca be set up in that way. You can use our demo site if you would like to test it out before buying: