While researching your bill, remember that you must speak before both the committee and chamber members. Hence, you must know your material! It will be evident if you do not. AND, while YOU may be knowledgeable and passionate about the contents of your bill, your co-sponsor may not be. Go over your research with your co-sponsor to ensure the success of your bill.
Write your (2) two minute opening statement / closing arguments and practice them!
Anticipate and prepare for technical questions.