Do they keep and maintain the property well, or do they need a lot of help constantly from the landlord? 

This blog lists many such online tools: Starting Your Real Estate Investing Journey.

This property that Ted owned was next to a property that I already owned, so Ted approached me about buying it.

Hope this helps.

I just recently purchased and moved into a new primary home in an up and coming neighborhood in Detroit.

This has been a self-driven journey, and stepping into this kind of room is proof that persistence can open doors.Open to connecting with others building from intention - especially those who are experienced in strategic partnerships and open to NDA's when appropriate. 

On or before the date Tenant moves into the Property, Tenant will pay Landlord a pet deposit of $150 per pet.

Is this reasonable or do I need more money?

This is great advice.

I say this because you may have an emotional attachment to this residence, and putting someone in there who creates major damage to the unit might break your heart as well as your checkbook.Good Luck!