Alfawise U30 Pro vs. Creality3D Ender 3 Pro: assembly
Both the Alfawise U30 Pro and the Creality3D Ender 3 Pro are sold as pre-assembled DIY kits: and this means that putting them together should be relatively easy.
This is the case with the Alfawise U30 Pro. The 3D printer comes 50% pre-assembled. The most important thing here is that the power supply and mainboard come already wired up.
This is typically the most challenging element of the assembly process — and the fact that this has already been done for you will make things substantially easier. There are clear visual instructions that come with the printer, and you should be done with building the device quite quickly.
The Creality3D Ender 3 Pro is also a pre-assembled model, but it borders on semi-assembled. To put the printer together, you will need to do quite a bit of tinkering.
There is a pamphlet that comes together with the device, and the assembly process is divided into 12 steps. The whole assembly process should take you about two hours. On the other hand, you can enjoy the fun of DIY throughout the process.