der Tipp
tip
A useful piece of advice or hint that helps someone solve a problem or do something better.
Hast du einen Tipp für ein gutes und günstiges Hotel in Berlin?
Do you have a tip for a good and affordable hotel in Berlin?

tip / prediction
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tip
A useful piece of advice or hint that helps someone solve a problem or do something better.
Hast du einen Tipp für ein gutes und günstiges Hotel in Berlin?
Do you have a tip for a good and affordable hotel in Berlin?

When 'Tipp' (tip) means a piece of advice, it is often combined with the verbs 'geben' (to give), 'bekommen' (to get), or 'haben' (to have). People also often ask 'nach einem Tipp' (for a tip).
Der Gärtner hat mir einen guten Tipp gegen Schnecken gegeben.
The gardener gave me a good tip against slugs.
The word 'Tipp' (tip) is especially common in spoken language and in informal situations when you mean a short, practical hint.
Danke für den Tipp, das Restaurant war wirklich super!
Thanks for the tip, the restaurant was really great!
You can almost always recognize the meaning 'prediction' from the context of sports, games, or competitions. In this context, the verb 'abgeben' (to submit/give) is often used.
Jeder im Büro hat einen Tipp für das WM-Finale abgegeben.
Everyone in the office gave a prediction for the World Cup final.
advice / council
'der Rat' and 'der Tipp' are very similar when someone receives a helpful idea. 'Rat' often sounds a bit more serious and fits well when an important decision or a personal problem is involved. 'Tipp' usually sounds more casual and practical. It is often used for small bits of help in everyday life, studying, shopping, or planning. The words can be confused because a 'Tipp' can also be a kind of 'Rat'. If the situation is important or personal, 'Rat' often fits better; for a short piece of practical help, 'Tipp' sounds more natural.

Für den Ausflug gibt Tom uns einen guten Tipp für ein günstiges Restaurant.
For the outing, Tom gives us a good tip for an affordable restaurant.
Bei der schwierigen Entscheidung war der Rat meiner Mutter sehr hilfreich.
With the difficult decision, my mother's advice was very helpful.