Check out
PlugInFeeds
We have a 1 week free trial and both packaged and tiered pricing structures. For you for now as you're using little bw packaged would be the best option, it's $2.5 per GB on Standard feeds and $3.5 per GB on Premium feeds. No minimums, limits or overages.
We also have plenty of money saving features. Hit me up and I'll tell you more