They have a graffiti park next to the skate park in town they have six big signs with the freedom to paint on I’m trying to a paint that will cover up one of the signs so I can paint over it I went to Walmart and got a cheap Interior paint haven’t tried it yet any advice? Not trying to get anything fancy just something that will cover up so I can tag over it went to sherwin Williams before Walmart and they wanted me to get a paint and primer but I wasn’t trying to spend 130$ so I told them never mind