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.
Are you selling your property through an agent who eventually turn out to be your buyer? If that's the case, NO. Being your salesperson, there would conflict of interest if she becomes your buyer.