If you already have an Amazon account, sign in. If you don’t have an account, set one up.
Once signed into smile.amazon.co.uk, you will be prompted to pick a charity. You will see a searchbar, to search for your charity of choice. Select this and type “eXp- Experiencing Faith in Cowal” (without quotations) in it. Once you do that, a percentage of your purchase price on various items will be donated to eXp at no extra cost to you.