According to the telephone operator it was snail mail only for Articles of Incorporation. 

You might want to study up on the Telephone Consumer Protection Act.

Unanswered by email, unanswered by telephone. 

Which essentially puts some standards in place and a good guideline for handling all things in the company. ie. company mission, telephone standards, tenant screening process, etc. 

Using a family address could expose you to unnecessary risks in the event of any legal or financial issues related to the business.Additionally, these virtual offices often provide extra services like mail and package handling, telephone answering services, and access to meeting rooms, making them a more professional and practical solution.

Quote from @Nadine Wallace: You can do simplisafe with/without Wi-Fi, but you will need cellular service.

After communicating with a prospective resident (Google Voice #, usually by text), with just a name, telephone number and email, the applicant can pay $55 to provide us with a background, eviction and credit check.

I have found 5g cellular modems to be spotty.

The contract must contain:the contractor’s name, address and telephone numberthe approximate start and completion date, including any contingencies that would change the completion datea description of the work to be performed and the materials to be provided to the consumer, including make; model number or any other identifying information; and the agreed-upon price for the work and materialsa notice advising you that you have three business days to cancel the contract, unless during an emergency you waive the right in writinga notice that all payments received by the contractor prior to completion of the contract work must be deposited in an escrow account

Is it segregated (only my funds in the account)- do you have an attorney on staff that reviews exchange docs and keeps them current - what is the typical time for your staff to complete an exchange ( you want to get a feel for if they are understaffed and can they get the work done on your time frame)- how many exchanges do you do a month- what is your errors and omissions insurance through, can I get a copy- what is the amount of your fidelity bond - for each occurrence- what protections are in place to prevent wire fraud- will my funds be used by the company for outside investments (goes back to the type of account funds are held in)- who will be my contact during the exchange (goes to customer service, you want one contact who you can reach by telephone)Investors should keep in mind that it is their money they are placing with a QI to hold for a short period of time and be sure they feel comfortable with the company they choose to perform this role.