Scans all retailers for this text. Leave empty to rescan every tracked product that's still available. Ignored by the scan_out_of_stock task.
Only applies when search text is set.
Only applies when rescanning tracked products (empty search text, or scan_out_of_stock). Each wait is randomly up to 50% longer. Raise it if a retailer (e.g. eMAG) starts answering with a captcha.