need both, small cordless drill and large with cord drill. Dewalt is very good, but may be overkill if you don't use it all the time. My suggestion is wait until there is a sale to buy a cordless drill of good brand, but cord drill you can just get any cheap brand and it would probably last long enough for ordinary use. I've had a toolshop brand drill that cost around $ 20 when I bought it, lasted more than 10 years.