3 sentences

1. 投资者趁低价买入股票。

   tóu​zī zhě chèn dī​jià mǎi​rù gǔ​piào.

   Investors are buying stocks while prices are low.

   Source: Dong Chinese Dictionary

2. 这家商店的所有商品都低价出售。

   zhè jiā shāng​diàn de suǒ​yǒu shāng​pǐn dōu dī​jià chū​shòu.

   All items in this store are sold at low prices.

   Source: Dong Chinese Dictionary

3. 他低价买进那批紧缺的零件，再加价倒出去，赚了一笔。

   tā dī​jià mǎi​jìn nà pī jǐn​quē de líng​jiàn, zài jiā​jià dǎo chū​qù, zhuàn le yī bǐ.

   He bought that batch of scarce parts at a low price and resold them at a higher price, making a tidy profit.

   Source: Dong Chinese Dictionary