This is probably one of the things I heard time and time again and didn't understand HOW important it was until I joined one. And this applies to ALL businesses [yes your clients' businesses, too].
Learn how to start identifying pressure in these spaces.
It has a list of websites that show this type of info.
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30 Ways 30 Days breaks down 30 non-obvious ways to find high-quality VA clients without job boards or freelance platforms. Each day unlocks one strategy used by operators to identify businesses with real budgets, real systems, and real demand for support. You’ll learn how to spot buying signals, approach clients strategically, and position yourself as a professional solution, not a task taker. Designed for VAs who want better clients and are not afraid to do the work to get them.