increase the number of questions you're allowed to answer?

Here is a chart of how to earn points, how many points are required for each level, and how much you can interact with the site per level.

http://answers.yahoo.com/info/scoring_system;_ylt=...

All you have to do is level up to answer more questions. You're currently on Level 1 where you already have your limit of answering 20 questions daily. Once you get to Level 5, which starts off at 25,000 points, you can answer an unlimited amount of questions. You can read more about this by going to the Answers scoring chart, and that can be viewed by going here: http://answers.yahoo.com/info/scoring_system

The higher the level the more you can answer

answer and vte your daily limits and ina few weeks you can be at level 5 and have no answering limit

just don't ask to many to start with

Earn more points. The more points, the more you can answer. Eventually you get to unlimited.