I found the word 高めだし and I guess it means "really expensive" or something similar. How does it work grammatically? Can -めだし be used after any -i adjective? And what does it mean? Does it come from the verb 目立つ? If yes, shouldn't it be -めだち? Thanks for your help!
Context:
えっ!?でもそのショップって何でも高めだし!