Yes, you are meant to wash modibodi pants COLD and never use fabric conditioner or tumble. I must admit, I've chucked them in with my normal wash a good few times, because I use them to save waste. I don't wash anything else cold, so I would need to do a separate wash for just modibodi pants, which seems silly. I do try to find some knitwear to do with them though.
The cheeky wipes, I think you are meant to wash cold, but they also say up to 30, which is what I wash most clothes at. They have been fine washed with other normal stuff. That along with not having to remove jeans and tights throughout the day to change my period wear, plus the price, means the pads win for me.
There are also cups, which I used for many years until I needed pads for after childbirth (lokia). Never went back to cups. I sometimes found them a bit uncomfy to insert and remove. I also read a bit of research about how they aren't magically clean after a wipe and should really be washed properly and preferably sterilised between uses, which wasn't practical for me. In years gone by they said bacteria couldn't survive on silicone, but they did find whatever it is that causes toxic shock syndrome, could indeed live there. No cases of it actually happening, but in my slightly anxious post baby brain, I didn't want to risk it and found loads so comfy, I never went back.