The  seller  determines  which he  sells  his home  in consultation  with his  Realtor. The  buyer can  negotiate the price, but the  seller decides. This applies to all  goods which the seller  considers important  to decide whether  his home to  this buyer. If  the seller and buyer  agree about these matters, there is a buy.
Sometimes the seller and  buyer a number of less  important matters, "movable property" for example, only  to negotiate  when they talk about  the  principal issues.  In such a  case,  the court may  provide that  if  the  parties  can not agree  side issues, now  they are  on their  own  sometimes  indicated as the principal, must continue to negotiate  until a reasonable  result is  achieved on the  side issues.
"buyer's costs" (kk) means that the buyer pays the costs of the transfer of the property accounts for. The "buyers costs" is about 10% of the purchase price. Among th e buyers costs include the following costs:
- Transfer Tax;
- Notary fees for drafting the deed of transfer;
- Land Registry Fees for registration deed of transfer.
In addition to these costs, the buyer must also take account of:
- Notary fees for drafting the mortgage;
- Land Registry Fees for mortgage registration.
The costs are not the buyer brokerage fees. If a seller is an estate agent to sell his / her property then the seller will have to pay costs of this agent. If the buyer is an estate agent for the purchase of a property, the buyer will pay the costs of this agency must pay.
An option  in the legal sense  gives  one party  a choice  by a unilateral  declaration of  a purchase agreement  with another party  to close. The parties  have agreed on  the condition  of  the  sale, but the  buyer gets  such  a  week to think.
When buying  a new house  is such  an option is common. When  purchasing  an existing home  is often  erroneously  the term 'option' is used. Then it has  the meaning of certain  commitments  that  selling broker  can do  to an interested  buyer during the negotiation. Such a  commitment  might mean that  an interested buyer  for a few  days  to think  about  getting  a bid. The broker  will in the  meantime try  not  to another  party  to enter into negotiations. The  interested buyer can  use this time to  a better  understanding of  mean  funding  or  uses of the property.
An option  can not demand, the seller and selling  broker  to decide  whether  a  given  negotiation  commitments.