Just checked our MTurk account. Pilot cost $1,189. Main study cost $6,075. Total cost $7,264.

Total time: it took about 11 months from very first conversations to completing the final paper. About 3 months of that was data collection for the pilot and main study. The remaining time was planning, survey development, analyzing data, writing, etc. And several chunks of time were stagnant due to lack of time on our part. Total time certainly could have been cut in half if we had the time to work on it 40 (or even 20) hrs per week.

Here is the main plot from our power calculations that informed our sample size selection (alongside budget constraints): http://i.imgur.com/aeEYagA.png