I've recommended that to my before. I think he's going to do it fairly soon.
But in the event where he doesn't, which would you pick over the other?
My general rule is quality over quantity for big ticket items.
Other factors come into play as well. If the group you're selling to is active on social media, I'd personalize more even if it's lower ticket.
You can measure the average time per YES, on each extreme and work inwards.