If you want to take someone out without breaking your budget, here are some inexpensive ideas that might work, depending on your romantic prospect's interests and state of health.
These ideas are from dates I've had.
1.Visit to a local zoo, and have a picnic by the lake with fountains.
2.Visit a local museum.
3.Attend a play at a local university arts center
4.See a ballet at a local arts center
5.Visit a local festival
6.Take a canoe ride
7.Visit a local art gallery
8.Attend a square dance
9.Visit an ice skating rink
10.Extra-cheap; take turns reading a novel to each other in the park