I'm going to practice analyzing deals based on the 70% rule for flippers.TLDR, my goals.1.

We send a ton of direct mail every month and buy practically everything from DM marketing. 

If you want to try an advanced statistical technique to improve your chances of increasing your response rate, research Design of Experiments (DOE), which is a multivariate method of testing many factors simultaneously.

Disclaimer: While I’m an attorney licensed to practice in PA, I’m not your attorney.

And if it is, am I able to sign a new lease and issue a 60 days notice simultaneously?

The legislature deliberately added laws to discourage their use and made violations of the law "tie ins" to the Deceptive Trade Practices Act which allows plaintifs treble damages and mandatory attorneys fees. 

GCAARStandard of Practice 15-2The obligation to refrain from making false or misleading statements about other real estate professionals, their businesses, and their business practices includes the duty to not knowingly or recklessly publish, repeat, retransmit, or republish false or misleading statements made by others.

California Association of Realtors Wire Fraud Advisory has some best practices in it that, to the best of my knowledge, should not be state-specific. 

Find a house in decent shape and focus on the areas that will increase the value and appeal to people simultaneously. 

Storing information on External hard drives or USB sticks can also be unsafe..I agree with a lot of what you said Nancy but storing your information on your desktop rather than the "Cloud" is not necessary "safer", it might be a false sense of security..It is important when using Quickbooks online, iCloud or any Cloud type service that the user is following best practices.