I think he is wealthy. It's reported that he just paid $175k for a painting. Here is the note:
Tony & Carmela's $175K picture Seems Federico Castelluccio, who played the studly Italian hit man Furio Giunta on The Sopranos, is also a best-selling artist. Castelluccio, whose character is besotted with Carmela Soprano, recently sold a painting of James Gandolfini and Edie Falco to Toronto oil executive Robert Salna for a whopping $175,000 - the highest price for any memorabilia from the HBO mob hit.