I have accounts only on Facebook and Linkedin. Also, I have limits too. My daily mobile facebook limit is 25 minutes, but I use less. I use LinkedIn on mobile for about 15-25 minutes. On web, I use both together 30-40 minutes
Usually I spend about 2-3 hours in social media per day, but that depends on my schedule. Some days it can be 1 hour a day, while the others it can be 6 hours on YouTube only.
I will add a limit for Instagram and TikTok on my iPhone from now :)