A page builder solves a real bottleneck and creates two new ones.
Page builders trade developer dependency for page weight and lock-in, and both costs arrive later than the benefit.
Horizon's nested block system narrowed the gap considerably — check what your theme does before buying anything.
The exit question is the important one: what happens to your pages if you uninstall, and can you find out before committing.
Measure output page speed on a real device, because builder-generated markup is frequently heavier than hand-built sections.
Less often than before. Modern themes support extensive section and block configuration, and Horizon's nested block system widened that further — composition that once required
The full guide has the formats, the deadlines and the worked examples.