Ask HN:i need Money and i need it fast

Hello HN readers Sorry for my bad English it’s not my native language. Well im in first time strange situation. im in big debt in the bank.. I have family to feed and a mortgage to pay me and my wife are hard workers and we work all our life's still do . So I ask straight to the point: Im software engineer with more then 12 years experience in the enterprise software bossiness I never did any thing on my own im sure I can use my development skills . im reading on the net that there is possibility to earn some money (not scam kind of thing ... ) but real things which I have no idea what they are … Maybe creating niche little software and try to sell it .. im confuse and in a big anxiety from the situation. Can someone please give me direction direction? Thanks