Hello, brief inquiry. Which network switch has the highest level of dependability?

I enquired at the store, and the salesman informed me that Tp Link and Dlink Omegle Chat switches have died after being heavily utilised for 24 hours straight. This bothers me because that's what I need them for. Additionally, he claimed that Linksys had a lifetime guarantee and was more reliable. However, the problem is that in my location, Appvalley Linksys switches are twice as expensive as TP Link and Dlink switches!

I'm not sure if I should try my luck with those TP link switches or spend extra money now.