The best cheap gaming headset could be advantageous in the following ways.
Blockage of external noises
Let us assume that your brother is listening to music at high volume in the next room. You could not ask him to stop the music only because you are playing games and are getting distracted by the music. All you could do is choose a headset that could reduce this external noise to a greater extent. If you use an ordinary headset that comes with your mobile or something else, you will still hear the music from outside. To block them forever, you should use a high-end gaming headset designed to block such external disturbances using inbuilt blockage technologies. For instance, some gaming headsets would have an inbuilt counter system that will cancel out the external unwanted noise and let you hear the gaming sound properly. Similarly, some headsets would also block the external noise using a seal. However, your game concentration would increase to a greater level with a proper gaming headset.
Isolated gaming
Mostly, you would be playing the games on your PC alone. So, there would be some people in your home or the place where you play doing some other works. If you do not use a headset for the game, the gaming sound waves would wander around the place and would disturb the people out there. It will not please the ones who have no interest in gaming. Also, there might be some cases when you do not have time other than midnight hours to play the games. If you do so in the middle of the night, everyone else in the surrounding would start jumping on your shoulders. So, you should use a proper gaming headset to listen to the gaming sound peacefully and maintaining silence. You can play whenever and wherever you want if you have a gaming headset.
Sound quality
The primary factor to worry about in a gaming headset is the quality of the sound it delivers to you. Although there are multiple options like PC speakers, external speakers, and much more to hear the happenings of a game, it is recommendable to use a gaming headset to hear every sound generated within the game with precision. So, you should make sure that the device you buy is of high quality and provides better precision with what you hear. Once you can clearly hear when a person is using a gun nearby or when a person is approaching you from behind, you will always be at the top of the game and ahead of your opponents. Hence, it is better to buy a premium gaming headset for your games.
Communication
Last, but not least, you should have better communication with the members of your team connected online to play in a multiplayer game. If you have a gaming headset with a quality in-built mic, you can stay in contact with these members and can play better.