Common expressions of bargaining in English

Common expressions of bargaining in English are as follows:

Please give me a discount.

2. The price is a bit high.

This price is a bit too expensive.

3. How about it? 50?

How about 50 fat people?

If this is cheaper, I will buy it.

I'll buy it if it's cheaper.

I can't afford it.

Don't try to rip me off I know how much this is worth.

Don't quote at random, I know how much it is worth.

Can you make it cheaper?

Can you give me a discount?

Can I get a special price? I have bought so many things!

Can you give me a discount? I bought so many. Wow!

If I buy more than one, can you give me a discount?

If I buy more, can you give me a discount?