Selling your house may not be the best option to invest in Bitcoin, because of its irregular prices. But if you can afford to lose such house, you can go ahead and do it. In trying to invest on crypto, you have to meticulous and be discrete, if not you may end up loosing money.
Yes, No need to sale the house for the sake of bitcoin, house is the basic need for human beings. Without selling house also can invest in the cryto's. People should not take such crazy decisions they should think before taking such decisions. Invest part of the earned money, not entire property into crypto.