Someone knowledgeable pointed out your situation, where a seller you have a contract with delivers more than you ordered, is well known to commercial law. It is covered by contract or sales law, where it is known as the problem of excess quantity.
There are two general principles of the law of excess quantity:
First, buyers can reject the excess ...
Great question. Unfortunately, I don't think EU law allows you to keep what the BBC calls "online order freebies." As I read the EU Code, "unsolicited goods" are not any goods that show up at your house unsolicited. They are goods that are sent to you as part of the well-known scam of "inertia selling."
In a decision handed down last year, the EU Court of ...
Your interpretation of the EU law is correct, Art. 27 says
The consumer shall be exempted from the obligation to provide any
consideration in cases of unsolicited supply of goods, water, gas,
electricity, district heating or digital content or unsolicited
provision of services, prohibited by Article 5(5) and point 29 of
Annex I to Directive 2005/...
If PayPal are in breach of their contract you can sue for damages
Economic loss is calculable and there are various methodologies for doing so. Your lawyer will probably have you engage an expert witness to do so. No doubt PayPal will have their own expert to explain to the court why your expert is FoS (and vice-versa).
However, it’s extremely unlikely ...