I used this nerd project when stalking IKEA:
https://ikea-status.dong.st/
Unfortunately it looks like it's down right now, except for the email alert function. Anyway...using this I have been able to snag hard-to-get pandemic-related stuff like desk chairs for the kids! A hint after watching this website for a while - for the stores I was stalking, status updates changed over at midnight local time. So, a couple of times when I had to get up to pee anyway, I was able to reserve spots for Click and Collect just after midnight. Make sure you have what you want in a cart ready to go. I also noticed for many stores around the country, spots tended to open up first thing in the morning and then be snapped up within minutes.
And yes, even if you get a spot, I'd wait until after you get negative COVID results, or have someone go pick up for you - be sure if you do this that you ADD THEIR NAME as the alternate pick-up person...our IKEA was pretty strict about this.