Hi Makayla
My top tip is to spend as little money as possible as you start out - it can get pretty expensive if you're not careful.
Use whatever free resources are out there first. As Barbara says, asking the oldest relatives you can find about their family and parents / grandparents is a good start (but treat any information with a certain caution as memory can be fallible).
The 1881 Census is freely available at
www.familysearch.org, so if you can get back that far from living memory, you're onto a good start.
Here on Rootschat people are happy to do 'look-ups' for you in this and other censuses, until you find your feet. For example, if you know the name of Craggs family members around 1901, you could post on the Durham or Yorkshire Board here on Rootschat asking for a look-up in the 1901 census.
Whereabouts in Durham were your Craggs family?
If you look right at the bottom of any page in Rootschat you'll see 'Your Surname Interests' - click on that and search for Craggs in Durham or Yorkshire to fin other people on Rootschat with Craggs in their tree. Ive actually got some myself!
Best wishes
Paul
PS
Just noticed those links Barbara has posted - they'll get you off to a flying start!
