I have an umbrella stroller that has a weight limit of 45 lbs. I ve only had it for a few months now and it comes with its own storage/diaper bag. Easy to fold and easy to push, however, it doesn t stand on its own when folded. Also, it recently started making a little sound that comes and goes. I m guessing some WD-40 will solve the issue. Selling it because my children are outgrowing it and w...