Seller on Amazon wants to give away goods for free and gives full money back?

Good Sunday, first of all. I ordered a coffee table from a seller on Amazon. It arrived slightly damaged, and I had informed Amazon customer service. They informed the seller, and then I was asked to send them photos. I did this. The seller then said that returning it would be inconvenient and asked if…

Concrete table DIY – fill air holes (nests) with black mass?

Hello everyone I plan to make a concrete table myself. I already have a concrete table, which I bought from a furniture store. The air holes in the concrete (called nests) were filled with a black compound. However, the compound seems to be a somewhat rubbery material. I'd like to do the same with my…