Kate Liebelt moved into her condo at Park Millennium — a posh, towering 480-unit building in the Loop — in 2020 and was looking forward to enjoying the property’s pool, location and vibrant community.  But Liebelt and other residents said problems have started to surface — from broken elevators without a clear maintenance timeline to changes in assessment fees. And owners of larger, more expensive three-bedroom units have more voting power, according to the building’s bylaws.    Read the article…………………………….