Please follow the below steps to change the Lag Time (Handling Time ) for your listings from Selro. Lag time for your listings are specified in the Listing Profiles.
Please go to the Walmart connection and click 'Listing Profiles'
Edit the listing profile and specify the Lag time.
After that please click update stock levels back to Walmart. This will send the stock levels and the handling time back to Walmart.
This will update the lag time for all the listing associate with the listing profile.
Lag Time (Handling Time) at Listing Level
You can also specify the lag time at the listing level by editing the listing and entering the lag time in days.
