Portable mortgages, disaster relief robots, the future of online shopping: Check out the day’s stories

By Sarah Hutter, CNN ? Welcome to 5 Things PM! Heading home for the holidays? You might want to brace yourself. One major budget airline is facing serious financial turbulence, and it could shake up plans (and prices) for millions of travelers this season. Here’s what else you might have missed during your busy day. 5 things 1?? Portable mortgages Owning a home is becoming increasingly out of reach, leaving younger generations frustrated. The Trump administration is floating a proposal aimed at making housing more affordable — but critics warn it could have unintended consequences. 2?? Prison privileges From unlimited…