Gutters often wear out over time and yes they do have to be replaced. Typically, gutters are replaced by a roofer whom as the expertise for making these replacements
There’s also the physical wear and tear that can happen over time. Gutters often have rust spots as a result of being exposed to the elements. They often crack or make holes which create leaks.
Gutters are also capable of separating, which means that water pours right out each time it rains. Gutters are also held together by seams. These seams are where two sections of the gutter combine together to form a whole. When these separate, water pours out from them.
Separating gutter seams is also something that is also detracting from the outside appearance of your home.
Damaged gutters can also be repaired if the damage to them is not too significant. This can be a cost effective option.
In very rare cases, gutters are sometimes installed improperly. If that is the case, then then they definitely have to be replaced. This this type of a gutter is also one that is leaky despite no obvious damage.
A badly damaged gutter is one that needs to be replaced very quickly. The reason is that you’re exposing your home to mold and water damage each time you delay replacing your gutters.