However, I’m wondering if I need to engage an Attorney a borrower has missed a payment and it’s time to send a Notice of Default.Must the Notice of Default (NoD) be a letter sent certified mail or would an email sent to the borrower notifying them of non-payment be considered sufficient as a Notice of Default.

There is a way of waiving the account at the state level by certifying certain practices but it's more trouble than it's worth and easier to just keep an account open. 

You will want to reach out to a certified 1031 intermediary company.

Unless the Seller is certifiably insane, they'll add a clause to the contract that the bit coin will be assessed at the time of closing and the present value applied toward the total purchase price that is denominated in USD or some other currency.  

But most importantly, they do not need to be paid back.Funding Sources:Local Government/MunicipalitiesState GovernmentPrivate FoundationsFederal GovernmentFamily OfficesCorporationsWhen applying for a grant, ensure you have an understanding of the details such as eligibility, your project readiness, the purpose, funding amount, areas of funding, limitations and deadlines for the application.The prime candidates for a grant are 1) those developing a real estate project or physical space, 2) scaled non-profits and 3) certified non-minority owned businesses.Ensure you are able to provide the following documents before applying for the grant:Show site control through documentationA project description or business planConceptual drawings or renderings of the physical spaceProfessionally prepared budgets for the company and projectWhat does the grant application process look like?

I definitely recommend that you seek out a Certified Cost Segregation Professional so that you are confident in the quality of the work performed and the deliverables produced.

I definitely recommend that you seek out a Certified Cost Segregation Professional so that you are confident in the quality of the work performed and the deliverables produced.

Collateral is valued using certified appraisers as opposed to "drive by" AVM values that the PPR fund relies on.I could go on. 

If they can't do a money transfer directly to your bank, have them send a certified cheque using registered mail and signature required (they could send it to your work if you don't want to use your home address). 

Quote from @Gerald Jarreau: Is there a government agency that will need to certify the rental as mold free?