Rick doesn't yet have a tour that goes to Romania. That's the only reason I can think of. It is an extremely interesting country.
I spent 17 days in Romania in 2015, but used only public transportation aside from a two-day small-group tour of Maramures, so I didn't move around very fast.
I observed nothing that made me nervous about crime, but I'd have said the same thing about Bulgaria up until I was pickpocketed in Veliko Tarnovo. Romania is a not a wealthy country, so it would be logical for any thieves present to target tourists. But serious thieves have probably moved west.
I used only Romania lei (singular leu, I think), except I think the tour I took was priced in euros (but I paid by credit card). If you see any appealing handicrafts, you'll almost certainly like the prices.
At the time of my visit, Romania wasn't blessed with tons of creative restaurants. It appeared (and I think Rick has commented on this) the local folks mostly could not afford to eat out. Unless you head to a tourist-oriented place, you may not have a lot of interesting options. If you're really interested in food, I think you'd be smart to do some pre-trip online research. It's not that the food is bad (one exception noted below), but that the selection is limited. Your tour will probably take you to places where you won't be fed solely chicken and lamb kebabs.
I'm sorry that I don't know what the local specialties are, except that bread rings similar to Turkish simit are widely available in Romania. I don't remember what they're called. They're sold from early in the morning at a lot of bakeries, sometimes from a window open to the sidewalk. Some are savory; others have sweet fillings (coconut, chocolate, sweetened cheese). They were all yummy.
The one bad experience I had was at a bakery in Cluj-Napoca. I bought a single carry-out serving of tiramisu. I don't remember the cost, but it was cheap--maybe about the equivalent of $1. It was dreadful. I'm confident there was no dairy product in that dessert. It tasted as if it was made in a chemistry lab.