Ballpark Estimate – Cost of 2 Week Trip DWQA Questions › Category: General Travel Questions › Ballpark Estimate – Cost of 2 Week Trip 1 Vote Up Vote Down Redbyrds asked 9 years ago Can you give me a ball park figure of expense to entice my friend. 2 week trip next april, 4 people sharing medium range accomodations, car rental, gas. Ballpark??? I have both your books, so will have lots more questions. Thank you Gerri ONeill