I think in the EU, the shipper is responsible. She’d have nothing to go on.

This is extremely broad, and advice would require more information.

Where do you live? How many hours do you work? How many are billable? Do you have many clients? What’s your niche? Do you have a marketing plan? How well are you doing at converting leads? What have you tried yourself? Is there a change to be expected? How much do you need/want to earn? What costs do you have?

My useless advice based on what you’ve shared: It seems like you’re unsatisfied with your current income. Try to earn more!

“Because of technical issues, we’ve extended the sale!”

How much is 2 weeks of income? Would you give them that amount of money if they asked for it? I’m guessing no.

Ask them to stand elsewhere as they’re impacting your sales on days that are very important to you. Don’t go into discussion much, they’re probably ready for that, and it’s a waste of energy.

If you’re not happy, you can probably inform local government or police that they’re not allowed to stand where they stand?

Time you -do- charge a premium, and get rid of these people 😬