Hide Shipping Method Based on Subtotal

hide-shipping-subtotal-based.php

add_filter( 'woocommerce_package_rates', 'hide_shipping_based_on_subtotal', 10, 2 );
function hide_shipping_based_on_subtotal( $rates, $package ) {
    // Retrieve cart subtotal
    $cart_subtotal = $package['contents_cost'];
 
    // Shipping rate to be excluded
    $shipping_id = 'betrs-shipping:3-1';
 
    if( $cart_subtotal >= 500 )
        unset( $rates[ $shipping_id ] );
 
    return $rates;
}