Always wise to end items if you cannot complete transactions, unhappy buyers not receiving their items can lead to defects and negative feedbacks.
eBay do have a Time Away feature this hides your items or extends their dispatch times.
Personally, I find it easier just to end all items, they then go into your unsold listing for 60 days if you are on My eBay Selling or for a maximum of 90 days if on the Seller Hub.
Then, you can relist them at any time during those periods.
@thespeedskater