Cron Job Imports: http://www.wpallimport.com/documentation/recurring/cron/.
If you want to run imports or exports sequentially, you can use this workaround:
- Set up the "trigger" cron job and "processing" cron job for the import/export that should run first.
- Set up "processing" cron jobs for all of the imports/exports that are going to run.
- Modify the following code by adding your own URL and import/export IDs then save the code inside the Function Editor:
function my_run_cron_after_import( $import_id ) {