Tall Cheers actress is long Long.
Change a rocker
Change a rocker
Cash Cash?
No, not Cash Cash for Change a rocker.
Here’s another:
Simple expanse
Simple expanse
plain plain
Sole sole, eh? That’s clever, but I gotta say it doesn’t quite fit the parameters, at least not as I was a-reckonin’. A/one = sole is perfect. But flip-flop = sole? Not so much. I mean, the sole is part of a flip-flop, but I wouldn’t say it means the same thing.
Seems a bit of a [elongation; half-way through 7 en route to 9]. 
Simple expanse = straightforward straightforward ?
Change a rocker = waver waver?
A couple more:
Killed many.
Make war and earn money.
Sorry, Oly. I thought sole sole for a flip-flop was pretty good.
Simple expanse is a plain plain.
Change a rocker is not waver waver.
Killed many - slew slew?
Still in play:
Change a rocker
Make war and earn money
Here’s a hint for Change a rocker:
A rocker is a type of chair that changes position, so does another type of rocker.
Looks like no one’s interested anymore.
Change a rocker is Switch switch
Make war and earn money - Invest invest?
Don’t get how rocker = switch.
Google rocker switch
Make war and earn money - wages wages
Flatten gourd
punkin’ punkin
a boor who cannot differentiate between types of earth
squash squash was probably the intended (and more elegant) answer.
Clod clod ?
New one: walked self-consciously with feet off the ground
ETA: wages wages :D!