Advice for our first nightmare sit

[BonnyinBrighton]

Sitter has to pay veterinary expenses up front!

I have only just noticed this clause in the terms and conditions- has any sitter had this situation, where they had to pay veterinary expenses upfront ? 5.3. The following applies only to Sitters. You will: 5.3.5. pay any veterinary expenses up front and request the Pet Parent to reimburse you for all costs incurred;