yep thats right, i think it would even work better standing the shortest price tipped runner. I looked through a lot of results a while ago and didnt look to bad. It shows way better results than boxing the 3.
Another one i found worked quite well and throws up some big divvies was in the chariots. Take the 3 tips from radiotab/paper etc and stand out the favourite to run 2nd in an e x a c t a.. then put the other 2 selections to win. Once again $2 for one unit, ive had $70+ divvies.
good luck.