Let's start with the basics. What is your preferred combat strategy? but never mind, i'll attempt to respond to OSRS Gold your queries. If you don’t like hillies Mossies are a good alternative. moss giants, located in the varrock sewers are good training for combat 60s-80s+. However, the sewers are multi combat, do bring some food.
It is possible to access the crandorian moss giants If you're a lover of single-fighting. beware of overcrowded worlds. The Who also warns against crowded worlds. said, flesh crawlers are good too. Although the drops aren’t all that impressive, they do drop some of gems, a sceptre and ores as well as coins.
If you don't like drops, but decent training deadly reds can be a good choice. But i personally don't train with deadly reds. I was around your level and did mossies up to 60+ att. Str. and definitely. It's possible to try this... There aren't a lot of however it's very busy.
Do not waste your money on food. Learn to fish, and cook together with your buddies. The spots of Karamja and Crandor could be a good choice for you if your fishing skills are between 35 and 40. There isn't a banks within the region, but there are general shops as well as fishing locations that stock a lot of fish. Fish are usually sold by anglers who don't bother to save their catch.
It's not obvious however, the "noobs” in hilly places aren't as dumb as you believe. Are you really aiming to take down as many hillsies as possible? don't they want to take the same approach? Even if they steal your giant, they shouldn't be considered "noobs". Instead you should make sure they be practicing clicking quickly on Buy RuneScape 2007 Gold each respawn point. I was able to manage 4 giants at once, ...)