Amazon UK would be one place. As for DVD players, depending on what brand you have, you should be able to find a hack code on the internet to make your player region free.
I have a friend who also started in the hobby in 1984. He never had a lot of money yet he got a satellite dish and thru trading amassed a great collection with about 20,000 tapes.
After the Fox run it had a good 2-3 year rerun cycle on FX. If you wanted to catch any missed episodes there was ample opportunity. I'm sorry if my being able to figure out how to see shows when they are available to me conveys superiority to you. That's like blasting someone for carrying an...
The complete series is available in the UK in one big box for a very cheap price, something like a little over $100. And if you were a fan of the show, why didn't you just record it on a VCR while you watched whatever else was on? Back in the VCR days I sometimes recorded 3 or 4 shows that...