Does asking a question cost yahoo points?

Yes, asking a question costs 5 points, but if you select a Best Answer (after your question has been posted at least 1 hour) you get 3 of those points back (so it's a net loss of 2 pts per question)

You can read more about what gains/loses you points here https://answers.yahoo.com/info/scoring_system

Yes it does but then when you select a best answer, you will gain points.

Yes it does 5 Points

You can Learn more about how Points and Levels work here

https://answers.yahoo.com/info/scoring_system

5 points. You get 3 back for awarding best answer.

No. The people who answer many questions often don't ask very many. For them, asking a question would be being a good sport.

Yes it does. Don't expect your tally to be modified immediately though.

Yes, you lose 5 points when asking a question.

Learn about Points & Levels: https://answers.yahoo.com/info/scoring_system

yes 3 points