Digital product files Pro-only - require Agency Pulse Portal API client configuration Product prices stored in single base currency - currency conversion handled at invoice/order time Tax rates configured separately in Invoice Settings - Products plugin depends on Invoice plugin tax configuration Product categories purely hierarchical - cannot assign multiple parent categories Client restrictions require Portal Clients plugin - only effective when Portal active Shopping cart uses PHP sessions - requires sessions enabled and proper session handling in theme Digital download links time-limited - expiration set in external Portal server Product deletion removes associated data - deleted products cannot be recovered No built-in product reviews or ratings - would require custom development