To comply with GDPR we will not store any personally identifiable information from you. Therefore we will serve sub-optimal experience where some features such as Login/Signup are disabled. However, you will be able to search and see all the properties, see agent contact details and contact them offline on your own.
I agree with Eric. COV is a component of the selling price. The owner will only be able to get the entire sum, including profit, if any, upon completion of the transaction.