generous cancellation to rebooking policies across the board. >> reporter: carissa cummings has been waiting for this. the vaccine news helping her and her husband finally feel confident enough to book their first majord son, heading to colombia and turkey. >> we've gone ahead and made those decisions and those commitments knowing that this is now sort of light at the end of the tunnel too. everybody unable to travel for most of 2020 to the destinations that they've wanted to. >> reporter: almost all of these deals need to be booked today and i would add a few caveats. we're not talking about travel now. >>> the cdc has warnings about some of the destinations we mentioned. we're primarily talking about post-vaccine travel, and because of the pandemic, most companies are factoring in the instability of planning and offering very flexible date change and cancellation options, but this is important, read the fine print carefully before you book. robin. >> that's so true, and we're hearing this word on the street, people are actually taking their budget from canceled 2020 trip, using it to go big in 2021 while scoring some big savings, becky? >> you are so right. big once in a lifetime trips are the bigg