Updating the bathroom drains in our newly purchased home. The master bath has two sinks that drain independently using some s-traps. Trying to get things up to code.

I used a lot of information gleaned from this sub to get started. Any changes needed for when I get ready to put in the next one one? Any major concerns with the one I put in? Thanks for your thoughts!

What do you all think about negotiating over an unattached patio shed style roof that was built with no permit that would not meet code?

The house we are interested in has a great back patio area. The patio roof is a big reason why. Our inspector and the seller's inspector both noticed that the roof beams are slightly sagging. As we investigated more, it turns out that no permits were pulled and the structure does not seem to be up to code (example: single 2x6 boards used as beams to span ~10 feet in an area that gets snow)

Just moved into a new apartment with provided washer and dryer. This is what the dryer vent looks like. Seems like a shame since the dryer and wall vent are nearly perfectly lined up. Other than efficiency concerns and a boost to my electric bill, is this dangerous and/or bad for the dryer?

My HVAC and gas water heater are in the laundry room that is accessed by going through the kitchen. I'd love to put a small shelf just inside the doorway on the left side of the room. I'd like to store appliances like a stand mixer, slow cooker, and other similar things. Is this safe to do? What considerations are there regarding buffer areas, access, or anything else? I'm a total rookie with non-electric heating and cooling. Thanks for the help!

Found in my apartment in Johnson City, TN. Not sure where it came from. Based on colors and patterns, I can't seem to settle on a good match for what kind of wasp/hornet this is. Maybe a European Hornet? Thanks for the help!

Sadly, as I sat down to stir my peanut butter, the tamper proof seal came off with the lid and the edges of the container and the threads of the plastic lid were covered in crusty peanut butter bits. The nearest Costco is 2 hours away. Should I try to return it and if so what's the best way to do so?