The official answer is "cocktail attire", which basically means dress up a little bit.
You are not expected to give us anything, we really do just want you there. However, since most of you won't listen you can donate to our Newlywed fund or bring some cold hard cash. Zelle works too. But for real, you don't have to give us anything.
Everyone of drinking age will receive two complimentary drink tickets. After you use those there is a cash bar.
Yes, don't stress.
There should be ample parking near the entry gate. However, we do recommend carpooling, just in case.