The important thing to remember when buying for the first time is to have a decent idea of what you are looking for as there are so many options.
Also, when you are seriously considering a particular home, time is of the essence. Homes can be on the market for months or days, it all depends on finding the right buyer for the situation. At the same time, don’t be discouraged by the process if something you love gets sold. There are always many homes for sale on the market and coming onto the market so it is only a matter of time until something else fits perfectly for you.
A real estate agent can help you all through the process, from identifying wants and needs, to making an offer, to closing and beyond. Another point to consider is that sellers usually have an agent representing their best interests and so should you!