@scott We moved house entirely by bicycle, and we relied on a Carla Cargo trailer for furniture: https://www.carlacargo.de/products/carla

Crucially it has its own braking system, an overrun brake which triggers when the bicycle in front brakes. That way it doesn't affect the handling much, and you don't have to worry about jackknifing as much.

I hear it may be harder to source now because the partnership with Tern ended, so they may not have a US distributor anymore?