Let's start with I love this stroller in doubles mode for shopping.
Customer service is a joke. The seats are made with thin plastic in the seat, so if you (or someone else) stacks the stroller frame on top accidentally, your seat will be broken.
The thing is a beast in singles mode. Difficult to steer if your larger child is in the front seat.
There are lovely large canopies, along with easy release wheels.
I wouldn't even bother with this in the winter (I usually end up using an all terrain).
The fold is pretty basic. Taking the seats off and folding it can take a bit. Along with assembly.
For the price I would want cup holders, child bars or trays, and infant insert so your 6month old can actually fit into the seat. And better seating options.