I would say not. You have hosting and you have to deal with maintenance, security and backups. Your Shopify fees cover that and the payment processing fees are

I would say not. You have hosting and you have to deal with maintenance, security and backups. Your Shopify fees cover that and the payment processing fees are comparable. Unless there is some feature that WooCommerce can throw in for free that would require paying a Shopify developer an ongoing fee (wishlist functionality is probably one) your monthly fees are going to be similar.