I saw that mining BTC with CPU is not profitable anymore, and that you'd lose money mining bitcoin. Is the same thing true of litecoin?
2While the other question was technically about mining BTC and as such is not technically a duplicate, LTC mining on an EC2 node was discussed in an answer to this question– David PerryApr 2, 2013 at 21:38
Yes it can be worth it, but generally what happens is if it ever is worth it then a huge number of people start doing it until the prices of EC2 are driven up and it is no longer profitable. Here is a good blog post about the subject:
Only if you use the micro instance with a free account for the first year.