In the long run I hope to upgrade to all the best stuff, but my goal right now is to produce something minimal that will be easier on my fingertips, that is modular enough to allow me to upgrade later. Mostly I'm looking for a cheapish solution involving Cherry (red) switches, and the o-rings I guess would be added if I found myself bottoming out. All of this being sort of a short-term solution to the problem with my fingers. I'd say my budget is around $60.
You
will bottom out with MX reds, and a lot of people don't like them because they find typing with them to be jarring because of how hard they do bottom out with them.
Also when I say red switches, knockoffs would be okay if they were similar in quality.
Almost all MX clones are much better than actual Cherry switches, and most are cheaper. A notable exception is Outemu, as you've undoutably already discovered to be scratchy in your board (although their blues are great).
The board I have right now is https://www.amazon.com/Redragon-K556-Mechanical-Keyboard-Aluminum/dp/B01NAI2TXC, but the answer to the first question on the QA section says you would have to modify the pins to upgrade the switches, which sounds tricker than what I'm going for (or maybe you know more about this). Otherwise, though, I would choose to upgrade my existing board. Is there a Redragon board that would be easier to upgrade?
Reddragon almost invariably uses Outemu switches. If the board is hot swap, that means that they'll be using Outemu's hot swap sockets, which are too narrow to fit the legs of most switches without the modification you mentioned. It would probably be easier, ironically, to buy a Reddragon board with soldered switches ... and desolder them, than to modify non-Outemu switches to fit their hot swap sockets.
Do you think Aliexpress switches function roughly the same as the cherry switches?
Aliexpress is kind of like Asian Amazon, I don't think they really make anything. You can buy most things made overseas there, so it depends on the switches you're looking at. Gateron switches, as a rule, are usually much better than Cherry ... they're just one of many these days though.
Sorry I'm dumb, I'm reading around and I guess a lot of boards require soldering to change the switches (maybe I have that wrong)? If so, then I guess the board being hotswappable would be pretty important to me. I guess I could pay more, I guess I probably just need to research more.
Most boards outside of the enthusiast market are not hot-swappable. Boards that are not can be modified to be so, but the best hot swap sockets (Kailh) need the PCB to be designed from the ground up with them in mind. If you want a full size keyboard, your options are cut to almost nothing when it comes to hot swap boards, but
the GMMK is a contender ... though more than you want to spend. You can get it
on Amazon for $80 without switches or caps (barebones) at the moment.
The only o-rings (Rosewill brand from Newegg, years ago) I ever tried made my MX reds feel too much like cheap rubber domes to me, so I took them off and never touched them again. If you want a cushioned bottom with light MX switches, as others have mentioned, you want something like silent reds. The cheapest boards I know of at the moment that have them are the
Fnatic Mini Streaks at Best Buy (an outlet you've mentioned).
They're on clearance for $75 and you may be able to just walk in and out of your local store with one to try and return if you don't like it (I think this is likely with how hastily we're deciding on things here). I don't think the full size version is on clearance, for some reason.