title: Amazon EC2 Free tier - how many instances can I run
body: <p>I am running a single instance t1.micro to host centos with an open source erp program
  Now I wish to also host another instance with a 2nd erp program. Will this be within my free tier limit.</p>
  
  <p>Is there a count on the no# of instance I can use / start?</p>
  
  <p>How many elastic Ip's can I associate?</p>