I got a block of 10 rooms at the Baymont Inn & Suites Indianapolis at $84.15 a night plus tax. They had rooms still available and it looks pretty nice and has good reviews on trip advisor, which I live by when I travel. It's about 15 minutes away, but we can live with that.
Here's the info:
Baymont Inn and Suites Indianapolis
84.15 – a night plus tax.
1540 Brookville Crossing Way
Indianapolis , IN 46239 US
Link to hotel website