To add acres or a different measurement instead of the default measurement set in Theme Options – General settings only for Property Lot Size, the following changes are needed
Property details section
Add this code
$property_lot_size = floatval ( get_post_meta($post_id, 'property_lot_size', true) ).' acres';
Property custom template – overview section
Add this code
$item_value = get_post_meta($property_id, 'property_lot_size', true).' acres' ;
In plugins/wpresidence-core/shortcodes/elementor/property_page_overview_section.php