Crosssbows are a serious option for home defence globally, because there are so few regulations around them. They are usually available for purchase even when firearms are severely restricted. The bolts are reusable (IF you can find them again...) and can be made at home at a pinch. They've been used for hunting and defence for thousands of years.
The biggest drawback is the rate of fire - but the Chinese actually solved that over 2000 years ago. The Chinese have had repeating crosssbows with 10-15-shot magazines and a repeat rate of 1 shot every 2 seconds for over two millenia.
Some of the originals actually had two parallel stacks of bolts in the magazine, and fired two bolts with each shot. It's not accurate or powerful, rather its purpose is to allow absolutely anybody regardless of physical strength or skill to send a lot of bolts towards a close-range attacker. According to an ancient Chinese source: