She 100% didn’t pay full price for the cottage.
Also, I bet deep down her mum wishes she could have a birthday gift without it having to be a PR exercise.
My mum would HATE that I’d roped her into another AD for her birthday! She’d definitely rather pay full price for the whole thing herself rather than pose for photos and have me sat on my phone grafting away during what is meant to be a relaxed day.
It just seems so tacky when you’re supposed to be ‘treating’ someone for their birthday, yet you’ve clearly been begging for weeks beforehand to see what freebies you can get.