How can you play multiplayer for halo reach

first you have to get Xbox live
first you need an internet cable to connect with Your Xbox (should come with Xbox)
then you have to pay either $50 a year (best price), 8.00 a month (if you do this for a year it will be $96 total) or $25.00 per three months (tri-monthly) which goes to about $100 if you do this all year.