I've been working as a driver for someone else for 15 years. I want to buy my own car and become taxi driver

I have been working as a driver for someone else for 15 years. I want to buy my own car and become a taxi driver. I have worked very hard and saved a little money. That amount is not enough to buy a car. I have been working late at night to save this little money. My country is Sri Lanka, and the price of vehicles in my country has increased a lot. If I have a small car of my own, I and my family can improve their economy. I have a small child and my only hope is to educate him well. I have seen a car, I will post a photo of it, please give us help. Thank you.