Switch to 240HZ monitor?

I play Fortnite at a high level and I want to take the next step. Almost all pros play on 240HZ and my question is whether there's a big difference between 144HZ and 240HZ. My teammates think that it is much better to play on 240HZ (my PC is strong enough) And which monitor would you recommend to me? (up to 500 euro) Does it have to be G-Sych?

Yes there's a difference but e.g. If you switch from a 30hz monitor to a 60hz monitor, the difference is right start, but the difference is less noticeable at a higher Hz number (good video:

Do you think you can be a better player at 240hz?

Rather no, since it only looks a bit smoother, but if at all little changes in the skill