Add one letter to transform a phrase into something completely different!
#1
I am all fears
11points
#2
Do not judge a book by it's Lover
9points
#3
Money is the toot of all evil
9points
#4
Do something at the drop of a shat
8points
#5
Break the mice
5points
#6
This one here is probably more true nowadays than the original:
Costs a farm and a leg
4points
#7
Love Conquers Ale.
3points
#8
Put your money where a*s is
2points