～するほど気持ちのいいことはない

There's no better feelings than ....

There's no better feelings than closing the deal after a tough price negotiation. Everyone is smiles, satisfied with the deal.

There's no better feeling than finishing a marathon.

値段･価格は決まっている

The price is set

The prices are mostly set in Japan.

駆け引きをする・交渉する

negotiate

Our company negotiated the price for the contract. 

bargain　/'bɑːrgən/　v)交渉する･掛け合う

He's skilled at bargaining with people.

He's good at bargaining prices.

He can bargain well.

恋の駆け引き

play games

play a love game

games with love

I'm not good at playing a love game.

店員

sales clerk

clerk　/klɜːrk/

shop assistant

蚤の市･フリーマーケット

flea market

flea   /fliː/　n)蚤

market   /'mɑːrkɪt/　

sol/soles

sol　/səƱl/

soles　ソﾚｽ  複)フランス･ペルーの旧通貨単位

最終提案･ラストオファー

your last offer

A buyer or seller won't negotiate anymore after his/her last offer.

Is five dollars your last offer?

～にできる最善･最大の努力

The best you can do is the maximum amount that a buyer can pay or the minimum amount that a seller can take. 

Is that really the best you can do?

Is 30 dollars the best you can do?

your last offer

Is 30 dollars your last offer? 

ぼったくりの値段・不当に高い

a rip-off price

Avoid these shops they charge rip-off prices. 

Designer label clothes are just expensive rip-offs.

It will cost you an arm and a leg to shop here.

ベスト・希望は何、いくら？

the best you can do for ....

What's the best you can do for this car?

What's the best you can do for a week-long vacation package?

一週間のパック旅行でベスト(やりたいこと･価格等)なのはなんですか

まけて･値引

a discount on ....

Could you give me a discount on this shirt？

話し合いの余地

wiggle room on ....

Is there any wiggle room on the price of this vacation package?

wiggle  /'wɪgl/   v)小刻みな素早い動き　n)小刻みな素早い動き

Our teacher gave us wiggle room.   弁解の余地を与えた

There's no wiggle room to think about it? None at all?  考える余地なし？ 全然？

Our pricing is standardized, but there might be a little wiggle room.

弊社の価格は標準化されていますが、多少融通が利くかもしれません

Is there any wiggle room here? この点において少しでも余裕はありますか？

ぼったくる・ふっかける

rip someone off

I think the salesperson ripped you off.

I feel like you're trying to rip me off here.

I'm not ripping you off.

To rip someone off means to make someone pay to much for something

rip   /rɪp/　v)引き裂く、かっぱらう　

Do you have this in a smaller size?   これの小さいサイズはありますか？

to be in a size/color

Can I have a look around?
ちょっと見て回っていいですか？

They have a really good range

Movie theater
You should go to "Jack&Betty"  a movie theater.
They have a really wide range of movies.
Home appliance
a wide range of electric/home appliances  　appliance n) 電気製品　ｱﾌﾟラｲｱﾝｽ

range  n)山脈、連山、（製品などの）種類
　商品の種類が豊富,良品を揃えている  a wide range, a good range

I'm thinking about getting some new shoes.
Those pairs you bought last year are already worn-out. (worn out:ボロボロ）

When does this promotion(sale/bargain) end?
This plastic bag is ripped.
I don't have my own bag today.
When does the warranty end?
Where is the warranty card?
When is the expiration date?
Can I return this without a receipt?

The prices are reasonable.