The line is a bow-string. How about that.
Ok, can you guess what the story will be? Everybody say it one time: Pull the bow-line IN!
割 (divide) + 引 (pull)
= 割引 (discount)
move to a new house or apartment
引 (pull) + 越 (go beyond)
= 引っ越す (move to a new house or apartment)
万 (10000) + 引 (pull)
= 万引き (shoplift.)