I plan on mailing the letter certified and I wanted to know do landlords also call the tenant as a courtesy to let them know about the letter. 

Send the letter ASAP, say Monday so there’s no time limit problems.

Estoppel letters are definitely something I would recommend for commercial properties.

We only allow 2 pet dogs.For ESA we use PetScreening.com and require any letter abide by AB468 and the medical provider that supplies the letter must state that they are aware of the requirements of AB468 and the consequences for providing ESA letters solely for a fee.We also charge an application fee. 

Just ran my 1st REIPrintMail campaign and mailed out 1300 check offer letters. 

Quote from @Jeff Calcaterra: We have a potential tenant new to the area who has gone through a paid background check, signed a background check authorization form, sent us a LinkedIn profile, sent an offer letter and says he is willing to send us paycheck stubs, but says he doesn't want us to call HR to verify employment because he is supposed to have found housing already.

So if you provide a good letter of explanation, then you could do more than the 10% as long as it falls within the 50% of the gift funds. 

Quote from @Felicia Nitu: Quote from @Jay Hinrichs: hope it works.. but throwing in the affordable housing requirement a lot of times kills the project right there.Also at least in markets I have worked the time lines START from completed submission.. you make your submission and then get an incomplete letter this goes on for months and months soo time lines still extend.. but at least its a step in the right direction hope if works.Hi Jay, the affordable housing requirement can definitely be a dealbreaker for some projects.

We sent a letter of termination because it had to be signed bye 11:59 yesterday.

After getting the funds letter, which clearly states no appraisal was needed for this property, at the day of the closing, they came back and said no funds will be released until we get an appraisal.