The proliferation of services that help homebuyers and sellers complete their own real estate transactions is relatively recent, and it may have you wondering whether using a real estate agent is becoming a relic of a bygone era. While doing the work yourself can save you the significant commission rates many real estate agents command, for many, flying solo may not be the way to go–and could end up being more costly than a realtor’s commission in the long run. Buying or selling a home is a major financial (and emotional) undertaking.