what's the best way to write off expenses (newsletters) for personal trading

i do stock trading for my own personal investment ... and would like to know the best way (e.g.. LLC) to write off the many expenses of doing this (e.g..
newsletters, services, computers, business conferences and the travel to them)
+--------------------[ SERVER SIGNATURE ]-+
| posted via http://www.beansmart.com |
  Click to see the full signature.
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

BeanSmart.com is a site by and for consumers of financial services and advice. We are not affiliated with any of the banks, financial services or software manufacturers discussed here. All logos and trade names are the property of their respective owners.

Tax and financial advice you come across on this site is freely given by your peers and professionals on their own time and out of the kindness of their hearts. We can guarantee neither accuracy of such advice nor its applicability for your situation. Simply put, you are fully responsible for the results of using information from this site in real life situations.