Nobody will see your message here who are watching your items.
You have 3 items with no bids and luckily more than 12 hours to run so it's advisable to end those listings now, and relist when you are well enought to post out winning items.
The items ended, will go into your unsold listings for a maximum of 90 days if you are on the Seller Hub, 60 days if on My eBay Selling. You can relist from there.
Here's all you need to know about Cancelling a Listing: https://www.ebay.co.uk/help/selling/listings/creating-managing-listings/cancelling-listing?id=4146&a...
End those auctions asap before you get a bidder.
The one with a bid, if they pay promptly you're still in time to post that item.
