Activity for Alexandria

So I'm aware that tipping vendors is somewhat optional but I feel like it's rude not to. But a couple of people have told me I shouldn't tip if the vendor charged a travel fee. My venue was no more than an hour away for every vendor. And my cheapest...

How much should you tip your dj if they're doing it for free. They are professional and I know them personally. They won't let me pay them but I'm stuck on how much is an appropriate tip. Help!!

So I've decide that my centerpieces and the table over all would look better if the tables were set when quests arrive. However, our dinner is being served buffet style. So is it weird to have guest bring there plate to the buffet to be served? Or...

I'm lost on what to do for music for the ceremony. Does the DJ do it or do you hire someone separate?

Is it tacky to wear white for your engagement photos? I just came across a beautiful white dress sundress that would be really cute for photos but I'm on sure if it would be weird to wear white for our engagement photos.