We can't live without a faucet every day. Here brief introduction: What are the 10 Reasons Not to Buy a Cheap Bathroom Faucet?
There are 10 key reasons not to buy a cheap bathroom faucet. The most important of these reasons is that it is not worth the risk.
1. It will only break after a few weeks of use, especially poor quality faucet or water taps.
2. You'll need to buy a new one in a few months.
3. You'll end up with various issues due to the cheap materials.
4. It will eventually clog your drain and require professional help.
5. It's very likely that you'll need to replace the faucet again soon after you've replaced it.
6. They're likely to leak and waste water, the floor of your home may be soaked due to water leakage from the faucet.
7. They're likely to cause mold and mildew growth in your home.
8. They might not be energy efficient, some good faucet with two steps for water-flow, it can be saved much water. 
9. Cheap faucets with harmful substances, it can be damaged your health, such as lead, arsenic and so on.
10. It's probably an inferior product That's been manufactured by people who don't know