I'm actually a big fan of Airdna (and I'm not paid for the endorsement!)

Otherwise here is a link to other tax professionals who are endorsed by BiggerPockets  https://www.biggerpockets.com/blog/tax-partners

Since I only have your post to base my assumptions, I cant endorse Nicholas' recommendation enough.

I'm sure when they started out, they had to do some outbound sales through cold calling, direct mail, etc. to other businesses in order to land B2B contracts or endorsements.

But, I offer a no-questions-asked money-back-guarantee for anyone who buys my books (Josh and I agreed up-front that we wouldn't have it any other way), so if anyone feels they haven't gotten their money's worth, all they have to do is ask for their money back.If LU (or any of the high-priced training companies) offered the same guarantee, I would be the first one to endorse them. 

You would need to know what the language of the policy states, and consider any endorsements / exclusions that add to or remove coverage. 

By the way, I don't wholesale, I don't buy from wholesalers, I don't endorse wholesaling or buying from wholesalers.

Again, I absolutely endorse DMM.

The third is this:  the additional interest endorsement is added onto the policy and gives no extra rights to the additional insured. 

Sine that comment was made in response to someone saying there entire property is non-smoking. sorry for the confusion, I in no way endorse smoking indoors and don't do it myself.