Activity for Samantha

So my wedding venue has the ceremony and reception (same building different rooms), buffet style dinner and open bar (beer, wine, soft drinks) is all included in the price. What would the correct amount to tip the bar/serving staff be at the end of...

If my Wedding Day is 10/13/18 what is an appropriate time to say the RSVPs must be back by? (Also to note I do not have a wedding planner it's just me and my mom is helping - I have 4 kids 13 and under so time is hard to come by sometimes).

So I have my ceremony and venue (which they take care of food and drinks) and pricing is based off of expected guest count. I set it up based on a 125 person (including myself, fiance & wedding party) but my guest list is currently at 157. What...