I believe we had both treatment and the bait system installed and it has worked great. At first, there was activity in several of the stations. Now we've gone months without activity. The fact is, the termites are there so we're drawing them away from the house and killing them off.
We paid about $2300 initially for two years of monthly service (3300 sqft two-story house,) then about $400 the second year and $285 this year for quarterly monitoring. I didn't realize until I looked it up that it went down -- I wonder why?
Here's some information that looks pretty good:
http://ohioline.osu.edu/hyg-fact/2000/2092.htmlI did a lot of research when this first came up in 2001 but I've forgotten most of it. Good luck!