suggest times asap

• don't just say "do you want to meet?" as soon as you know you want to have a meeting, suggest some times. Scheduling meetings over email is some of the most tedious work, make it easier by reducing the total number of messages; get straight to the point.
• if one person being scheduled with is significantly busier than anyone else then it might make sense for the busy person to suggest times as it'll be more likely that they'll pick times that work for others than someone who is mostly free picking the times.

suggest 3-5 slots/times

• too few slots and you risk people not being available for any of them, too many and it becomes annoying to pick a time.

if possible, suggest times that are between 36h and 2 weeks in the future

• too soon and you wont be able to hear back from them in time, too far out and something more important might come up and they'll have to reschedule.
• this scales with the importance of the meeting. If it's a very important meeting being scheduled then you could schedule it further out without fear someone will have something else that comes up

pencil-in all the suggested times into your calendar until you lock one in

• it's an asshole move to suggest a meeting time option to someone, they go for it and then you have to be like 'sorry, I scheduled something else instead'

reply asap to all the back and forth scheduling emails

• it's respectful to get this process finished asap so everyone can free up the penciled-in dates that didn't get selected
• if you're being scheduled with, and none of the suggested times work for you, reply with some suggested times of your own. Don't just wait for one person to do all the work of finding a time.

don't try to change the date/time <24h beforehand unless it's a legit emergency

• everyone functions differently online, but, if you do need to reschedule less than 24 hours before the meeting, it's probably best to call the meeting attendees
• actually show up! and be on time! It is disrespectful to go through this whole arduous process of scheduling and then be late or not show up.

there are exceptions to all these rules

you also could just use one of those web tools that lets people schedule a meeting right onto your calendar

• https://crab.fit/ is cool because it's open source

these are just things I've noticed. If you have thoughts please send me an email :)