No! Laptop assembling and manufacturing are two entirely different things. You can assemble one after buying different components and putting them together. But you can't build those components yourself unless you first master electrical engineering.
Is it cheaper to build your own laptop?
Is it cheaper to build your own computer? In the same quality, building a laptop is cheaper than buying a laptop. Building a laptop is cost-effective.
Is it cheaper to buy or build a laptop?
Yes it is a lot cheaper to build rather than buying a laptop or a previously built computer . Consider 40% less rates than buying a laptop. Building a desktop computer is more efficient in heat control and hence the performance.
Is it cheaper to build a computer yourself?
Building your own PC can be cheaper, more rewarding, and offers additional customization. In the past, building a PC was much more difficult and buying a prebuilt came with a much higher premium. Nowadays, easier to install components and an accessible prebuilt PC market can make it a little more difficult to decide.