Cold calling Expired listings , FSBOs, etc.

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Hi everyone, 

I'm going to start cold calling and I'd like to get some feedback about my plan and what are the most accurate data bases to get expireds and FBSOs. 

1) White pages. Pull the expired listings from the MLS, type in the address on white pages and get the phone numbers.

2) Landvoice. Same process, different data base

3) Mojo sales. Same process, different data base

I'm thinking about cold calling 3-4 times a week for at least 2 hours. On weekends, I'm planning on door knocking for at least 3 hours. Let me know what are your thoughts.