If you've got aging can lights scattered across your ceilings, the kind that buzz, flicker, or just feel dim no matter what bulb you swap in, wafer LEDs are probably the upgrade you've been putting off. They're slim, they're bright, they're energy-efficient, and the installation is far more straightforward than most homeowners expect. No electrician required for a basic swap, no major drywall work, and no attic access needed. Here's what the process actually looks like. What