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Not sure I understand... Is there something I should know? You mean an electric screw driver? I'm confused
my "I don't know what I'm talking about" summary
electric screwdriver will replace you putting in a screw by hand with a screwdriver
drill will drill holes and do a decent job of putting screws in
impact driver doesn't drill holes, but has far higher torque and less likely to slip off a screw head. So if you're putting a lot of screws into a wall then you're going to get through it more quickly and without rounding out a bunch of heads
You're about a thousand times more professional than I was about my house renovation, I was just bumbling along reading from the Collins yellow DIY book when I came to something new, and using the same corded SDS/corded mitre saw/corded circular saw/cordless drill/corded angle grinder (which I think was ~£11) for everything. Killed the drill ultimately, and I wish I'd known how much better a driver was for, erm, driving screws, but there you go.
I made a few rails out of two bits of ply screwed to one another and just clamped them to the material I wanted to cut a straight line down.