Can I replace my apple Macbook air 2020 m1 entry battery at home?

Of course you can, here is a copy from official manual, it tells you the best practice to handle the batteries. To avoid noxious fumes or a battery thermal event, don’t puncture, strike, or crush a lithium-ion battery or a device that contains one.
• Keep your workspace clear of foreign objects and sharp materials.
• Be careful when using sharp tools near the battery.
• Don’t leave loose screws, extra screws, or small parts inside the device.
• Don’t use tools that conduct electricity.
• Don’t throw or drop the battery.
• Don’t expose the battery to excessive heat or sunlight, or temperatures outside the battery’s operating range.
• Handle and dispose of waste batteries in accordance with local laws and regulations.