Should I try to get my phone fixed or get a new one?

So I bought a Samsung Galaxy S10 about last year and now it's acting up.

The vibrations of my phone are way too low and it won't change.

The big issue is the battery of my phone though to be more thoroughly charging it up. When I plug it into the charger it at first works normally but sometimes slow charging activates when I move my phone or it looses contact for a split second and then reconnecting it again. This doesn't always happen but it happens most of the time.

Another issue that I have is that my phone switches out of the internet every few seconds or minutes when I'm in my room. I couldn't even connect it to my printer.

Also a specific local app doesn't work on my phone. I already tried everything but nothing worked.

Also for some reason Snapchat keeps acting up on my phone and so did Instagram today

The question is now should I try to fix my phone or get a new one?
I just ordered a cleaning kit for my phone to try to clean the charging slot on my phone. But what should I do if I can't fix it by myself?
PS. I live in Germany if this might be important for this question

Thanks in advance
Get phone fixed
Buy a new one
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Should I try to get my phone fixed or get a new one?
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