Part of a series on building Balance , a portfolio rebalancing app for BR/US/Crypto investors, as a solo developer. Code in this article is simplified from the real service. Every investor who makes recurring contributions hits the same wall: "I have $1,000 to invest this month.
Source: [Dev.to](https://dev.to/diegocard117/rebalancing-a-portfolio-with-only-your-next-deposit-no-selling-3ma6)