What's been your biggest technical bottleneck as a small startup lately?

I'm doing some research to understand where small teams and early stage startups are getting stuck, especially around:

Launching landing pages quickly

Frontend performance issues

Building simple MVPs (e.g., with Next.js)

Adding AI agents or automation tools

If you’ve hit a wall in any of these areas (or others), I’d love to hear about it. What’s been unexpectedly hard or frustrating recently?

Appreciate any insights

trying to get a clearer view of where I can offer the most value.