To accurately get an answer to this question in your market, you just need to jump on zillow, trulia or hotpads and shop similar units to see what rents are being advertised for which amenities. 

There are plenty of good books right here on BiggerPockets shop on different subjects.

Located across from shopping center, 5 minutes from I95, 20 minutes to PHL airport.

But try shopping around, some agents will do it for 50-75% of 1 month's rent.By the way, I live right around the corner from the lake.

if you have experience and shop a little..

When I had a fridge go out at one of my higher end properties I gave the tenants the address of a local appliance shop and the name of the salesperson who had 4 to show them around $1200 (this was 2 years ago when that was reasonable, not cheap.).

So I suppose that ends up being $2400 annually of pure cashflow so a .6% of the purchase price....but if I'm putting 20% down to purchase thats a 3.4% CoC return on my downpayment...I think I did that right...so yeah thats the way I shop when considering cashflow.  

You have to find a granite shop that can do the cutting for you without you having purchased the granite from them by the sounds of your OP.

Property Description (tenants shop around and you want it easy for them to remember the details about your place) 2.

When you shop for a deal on the MLS you typically don't care where it comes from or what the story is.