TAKE IT OR LEAVE IT means that you accept an offer or you reject it.
That is our final offer. You can take it or leave it.
That’s the price. You can take it or leave it.
TAKE SOMEONE FOR A RIDE means to trick or deceive them.
He took me for a ride and I lost six hundred dollars.
You took him for a ride. He really believed you.
TAKE SOMEONE FOR GRANTED means to undervalue someone because you are too familiar with them.
They took it for granted that we would do the work and were astonished when we refused it.
Don’t take your long-term employees for granted. Praise and encourage them