Bumpintheroad, you should also keep in mind that the original post also said "started doing video editing", and quoted a $600-1000 budget.
On a daily basis, well, nightly basis as it isn't actually my day job, I get to deal with actual super computers. Current system we have on the project is a 5k node cluster worth just under a million USD, however my home system that I'm still using is worth maybe $600 or so, and handles light video editing without too much pain. I do however go make myself a sandwich and use my laptop to watch Netflix if I'm exporting something that isn't completely trivial. It also doesn't even have an SSD in it at all currently because I stole them from that for another project planning to buy myself larger capacity drives, and then settled for what I had there for more than a year.
Building a computer system is all about compromising and selecting parts that will be "good enough", where "good enough" is a sliding scale based on actual processing demands and the reality of a person's budget. This can mean going with the $90 mother board on a system and accepting that it isn't going to see over clocking or more than one graphics card rather than the $300 motherboard with all the extra cool bells and whistles.
I would generally argue for putting together a decent but modest system, especially for business needs, but one which is flexible enough in design that you can upgrade it later with things like additional SSDs or a far beefier graphics card at a later point if you find the current options are giving too much of a bottle neck to meet your computational needs.
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