this may be discussed somewhere else so sorry for posting if so...
I went to bovada and saw KC 3.5 -120 and NE even, but when I logged into my account it's now listed as KC 3.5 -140 and NE -3.5 +110... I thought the line had moved but when I log back out it goes to -120 and even again. I've had a lot of recent success betting on underdogs that are getting an extra point or so compared to most books. Is this something they do for people betting these underdogs a lot? And if so, is it only on certain games? And does it ever go back to normal (if say I lost my ass for a while)?
TIA!