Can I let customers choose their own charity?

Yes, you can have your customer search through a wide variety of charities to donate to.

In your Shop For Good dashboard, create a new campaign under "My Campaigns" (on the left) and select "Portion of sales." 

If you already have a campaign established under "Portion of sales" that you wish to keep active, you can still add this feature.

Once your "Portion of sales" campaign is created, or the existing one is selected, look to "Select benefiting nonprofits" on the right and check the box next to "Allow customers to choose which nonprofit(s) to support."

Then select "From Daily Karma’s® list of over 4000 partner nonprofits."

Then select how you'd like the portion of the sale donation to be handled in your campaign.

You will also have the option to customize your widget after customizing your portion of sale donation.

Once you're ready, remember to save your campaign and connect it if it isn't already.  Once the campaign is live, your customers will see the following widget with the option to select causes.

Once the "Select Causes" button is clicked, the option to search for a nonprofit charity will appear.

Once the customer has found their choice, they can select it by pressing the + icon to the right of the listing.