I've had mixed results with flashing tape myself, but honestly I think the bigger issue is usually the window itself. If your frames or sashes aren't ...

Good call on checking the frame first—I learned that lesson the hard way too. Spent an entire weekend caulking and weather stripping, convinced I'd so...

Yeah, adhesive films can be a pain sometimes, but your tips are spot-on. Privacy glass does sound tempting...but man, that upfront cost makes me hesit...