在购物季节抢购东西是很合算的。

Zài gòuwù jìjié qiǎnggòu dōngxi shì hěn hésuàn de.

Snatching up things during the shopping season is very cost-effective.

这个决定在长远看是合算的。

Zhège juédìng zài chángyuǎn kàn shì hésuàn de.

This decision is profitable in the long run.

考虑到未来的价值，这个投资是合算的。

Kǎolǜ dào wèilái de jiàzhí, zhège tóuzī shì hésuàn de.

Considering the future value, this investment is worthwhile.