Let me say a good investor friendly agent can use a sniper rifle instead of a shotgun.The shotgun approach is for marketing, not contract writing.

Pro-tip: To maximize your time, on properties in ‘hot’ neighborhoods, create limited showings (say a Friday from 1-5pm), and put a boundary of a few days on when offers are due.

If I default and they get say a $500K deficiency judgement they could garnish my wages, attach my bank accounts, etc. 

Given that, I would say A is probably your best option to get the best of both worlds. 

I work at Keller Williams and really can't say a bad thing about the company.

I will say as a renter currently- no W/D would likely be a deal breaker for me.

I would say a firm but respectful discussion is needed.If you are adamant  about no pets.Ask a lawyer to write up a letter informing the tenant that you will pursue legal actions based on breach of contract.

Removing the walls also impacted the usable yard area and reduced his ARV by about 40K.Needless to say a understanding all the implications of a unpermitted structures can make or break deals.

We have a dedicated GIS system to do our acquisitions so it's hard to factor in how much that costs us over time but I would say a campaign for 500 sites would run on average:$1500 for good direct mail$0-$5000/month for GIS Software + easy access to ownership information~20-40 hours of research - $400-$800 ( you could do this yourself)Total Cost: $1500-$7300For our purposes, we would also have to factor in data that we buy which over the course of a year might add $1,000 or so to each campaign.

That is why long term triple net leased buildings are valued greater than, and sell at lower Cap Rates than say, a building where the owner is paying for utilities, responsible for maintenance, etc even if both buildings generate the same NOI.