A friend of mine has this and loves it. She rides a folder and when she gets to where she's going she folds the bike up, pops it into it's carry bag - carries that over her shoulder and wheels her trailer into the building & elevator. I haven't seen it in action but according to her it makes everything super easy and super simple. She wheels it around when she's shopping, too like a shopping cart - then after checkout she attaches it to her bike and heads home.