With many properties available to purchase on the open market, it may overwhelm some and they decide to seek professional advice. This is not a problem but my top tip is not to also listen to what real estate agents have to offer.
It may seem that most real agents want to help out and it is usually genuine, some are just bothered about selling houses and could result in talking you into purchasing a property that is very unsuitable. If you are unsure then be honest from the start and keep on looking.
Real estate agents can help to a certain extent but let your head do the deciding and not the right words being spoken.