Let's say you have 150 confirmed guests at your wedding. You have $175 budgeted for your aisle runner and $4,350 budgeted for your tabletops (flowers, details, and linen). What difference does 2 seats make?
On each side of the aisle you'll need 75 seats. With 6 seats to a row you'd need a 75 foot aisle runner. By increasing the number of seats by just 2 seats per row, you would only need a 50 foot aisle runner. Which means you could upgrade from a basic aisle runner to that patterned runner and matching vow book you were just dying to have!
You have the option to have 8 or 10 seats per table. With 8 seats, you would have 19 tables to dress. By increasing by just 2 seats per table, you now only have to dress 15 tables. That means your per table budget goes from $230 to $290. Imagine the difference in the centerpieces, details and linens $60 per table makes! It could mean adding those peonies that you were just dying to have or upgrading the linens from the basic that are included by your venue to the seersucker linens you really really wanted.