A sinner that repents is forgiven, one who continues to sin is no, that applies in business too

http://www.ebay.com/itm/DETROIT-MI-SOLID-BRICK-SIN...Is the whole city falling apart?

Wanting not to sin, I must come up with some cash; skin.

Sin is an animal waiting at the door for you to let it in.

If you the tenants only sin is illegal status, that is a saint in some areas.

A regular buyer will think this as well.The biggest sin I see is when a bathroom or kitchen is only half rehabbed.That is worse than doing nothing at all.If you don't have the money to do it right it won't be a benefit to a renter or a potential buyer.Kitchens and baths sell homes and are not the place to skimp yet many do as it costs the most to fix up.My friends have had Corian for years and it has held up excellent.It depends on what finish you get as well.They had the upgraded bull nose edging to round out the edges and provide a dramatic effect.That makes me think about another question.Do you get upgrades for the edging on granite or leave yours plain.I could see in a high end rehab you might need the upgrade finishing.Here is article on radiation.http://www.graniteland.com/infos/home/is-granite-radioactive

Or do you clarify that SIN is required condition for signing lease ? 

I've mentioned cancelling the cable, he thinks it's a sin. I

Then you have to go back to the applicant and let them know that providing their SIN is the only way you will be able to isolate the correct reports.When you search any database, if you do not use a unique key, you run the possibility of having multiple records returned.

Finding out exactly where the lender stands is difficult to impossible - like all bureaucrats in governmental or semi governmental institution they believe whole heartily that releasing any information is a cardinal sin.  I