Cost to (re) finish basement - no bathroom

Hey anyone have any recent experience renovating their basement and the cost? It’s partially finished already but would need a new subfloor, flooring and a few new walls

• no bathroom / Kitchen / plumbing
• about 600 sq ft
• add/convert one window to an egress window
• divide space from large rec room into one bedroom and smaller living space

Any tips to keep the cost as low as possible? Going to do paint and do finishes (including flooring installation) myself.