Add related product after add to cart button on single product pages in WooCommerce on child sites.
Snippet Type
Execute on Child Sites
Snippet
// Remove related products from their default location
remove_action('woocommerce_after_single_product_summary', 'woocommerce_output_related_products', 20);
// Add back related products in a different location
add_action('woocommerce_after_add_to_cart_button', 'woocommerce_output_related_products', 10);