If you're willing to take your time getting started and first develop some proficiency at doing your own wrenching, you will save a TON of money vs buying new bikes and/or paying someone to wrench for you. If that sounds like an option for you, come on over to the C&V forum and post a thread, we will guide you on how to select and prepare a suitable, older (or, if necessary, new online) bike well suited to your needs, within your budget.