I have to agree with fordP. There are far better ways to spend $299 that will reap far better reward. But like everything it really depends on...
I wasted about $50 bucks at search feed on keywords that should have converted well. I started with small bids than gradually increased them...
I also get a slow load. the interface is intuative but I'm not really interested in a long wait and a cluttered results page when I'm doing a search.
Separate names with a comma.