Having it outside was smart. Sounds like you did it right.i had a disney wedding & i'd say the decor was pretty standard! they want you to pay for every little extra detail it's wild! we didn't get married at the wedding pavilion so we didn't end up needing a lot of decor since we were outside already. we were also lucky & didn't have to bus out guests around. i can't imagine managing all that extra stress!
I'd say billing for every little thing is par for course at any venue. Difference is Disney has higher prices than normal.