hammer drill

I tried to install a flag pole holder and guess I had some travel with the rotary hammer drill that caused my holes to not be level or aligned properly. I picked up a scratch awl and will start with a smaller pilot hole on the next attempt. However, I have four holes that were drilled into the...

I am a 70-year-old female with NO concrete experience. I am installing rubber "curbs" in my driveway that need to be bolted down. I went to Home Depot and they helped with the hardware to use. They suggested I get a hammer drill. I said I wasn't about to spend more money on the hammer drill than...