To include chair or not? Maybe only a couple?

Do you live in a place with farms? Maybe you could borrow some hay bales or rent from a local farm? I’ve been to a few weddings where we sat on hay bales and some blankets and it worked out! One of the families had some horses so they were going buy them anyway

I have a quick suggestion. If you are a member at a church, maybe you could ask the church to borrow some chairs? My church let me borrow a few tables & chairs for my graduation party maybe yours will do the same

All of these suggestions to borrow chairs are great ideas. My cousin was married outside at a public gazebo, no seating available. I called the local funeral home, and they loaned us really nice wood folding chairs for the ceremony, free of charge. Other cousins went and picked them up/ set themup/returned them. I don't know if you have that kind of help available, but never hurts to ask.

Not having chairs is more common with a small number guests, maybe up to 10. But you have 80! So it’s best to get chairs for everyone and not just half of the guests. Also, guests typically arrive 30 minutes before the ceremony. So essentially, they would be standing for 45 minutes. And when you add in the the fact that weddings often start 5 to 10 minutes late, that becomes almost an hour of standing. However, if you choose to go that route, then you should express somewhere on your invitation or website that your ceremony will be standing only.

You absolutely need chairs for every single person at your entire event. It's like the bare minimum of hosting. Just because you've attended events without seats doesn't mean its an ok thing to do.

I'm going to agree with everyone else. You need to have chairs for everyone who RSVPs. I get that you've been to events without them - but they're really necessary.

I would say that chairs are always nice to have, especially for short guests and the elderly. If not chairs, maybe you can rent pews or benches. (I don't know if these would be cheaper than chairs).