There are actually ways to achieve this, one of which is to strengthen discipline in managing expenses, even though they may be very limited. Take advantage of existing opportunities and continue learning, especially regarding technological developments. Learning can come from anywhere, through collaborative spaces and mutually reinforcing communities, which ultimately can change people's mindsets in the long run.
But we must admit that struggling to start over from all the shortcomings is not easy. It requires a very strong spirit of resilience, and a willingness to learn and seize even the smallest opportunity.