In urgent needs you can cash out your remaining wallet balance if you still have it. When you're desperate and doesn't have money for an urgent need you can tap friends who's also earns bitcoin online and promise him to pay the amount of bitcoin that you've borrrow. Be responsible to pay what owe from your friends and if you earn another btc in the next days which you can get from signature campaigns posting and also you earn from trading bitcoin to trading sites as your source for your payments. Most importantly work hard for you can save for future needs and avoid to be desperate on money needs.