That's a recipe for problems down the road because unexpected expenses (i.e. car repair, medical bills, etc) always seem to come up for many tenants.

Even if you read the code very carefully, they may still provide you with unexpected info at that point, and you need to adapt.Whether you decide to go for a rezoning or to sell the property as-is, this info will help you know where you stand.If your property is surrounded by detached houses and there has been a big push to discourage higher-density development in the area, applying for a rezoning may be a waste of time, money, and effort.

They typically have such strict regulations I am surprised!

That will tell you what most would expect.When I bought a rental house earlier this year in a new area, the realtor/property manager told me that it wasn't expected for me to provide a refrigerator or stove much less washer/dryer, so you might be surprised what is the norm.Beyond your direct question, though, I think you need to reconsider your plan.  

If you are using the TAR Lease agreement for your rentals and you are not an active REALTOR member of TAR, I suggest you take a look at #33 G before you get a big surprise when you need protection the most:

You should have a set minimum that an owner has to have in escrow with you to cover an unexpected expense, say $500 or $1000. 

@Laura Williams well yea i thought the  same but was very surprise when i did have to  evicted a few tenant in the pass i go them out in 1 month or 2..

It's a complicated process (surprise, surprise), but golden profit-wise if you can persevere. 

The answer might surprise you. 

Our net monthly cash flow on all properties at the moment is +$500 (we rent two properties out and live in one) and average ~15% return on cash on our rentals which is pretty decent in a high appreciation market like Seattle.With that background for reference my suggestions for you will not be surprising.