That's the nature of this business.

Natural gas installed for heating and hot water.

I am naturally debt averse but slowly realizing that scaling the rental bizz fast means getting out of comfort zone

Depending on the nature of the repair, i.e., minor or major, you can decide whether that is worth the trouble.I would request the rental application from the tenant, the lease, and the credit report, which are standard requirements.Those info would also allow me to check out how they manage the rental tenant screening process and what kind of tenant is in the house.

The reason I ask, it seems there is a natural progression to start with SF, move up to small MF, and then larger MF, etc.

The answer depends on the size, scope and nature of the properties you are looking to acquire.

After realizing the fragile nature of his six-figure salary, he set out to replace his salary with passive income—as quickly as possible.

Saying you are PCSing is fine but many will not know what you are talking about so use generic terms such as "relocating" or something to that nature.

It will come natural to you soon enough 

made digital signatures legal valid signatures.However, a digital signature cannot be notarized - the nature of a notary is a person to person verification and ID check making sure the person signing the doc is who they say they are and they are putting pen to paper in front of the notary.Some documents cannot be digitally signed - Sometimes this is law, sometimes it is policy of whoever / whatever administers the document or the intent of the document.Examples:a purchase contract can be digitally signedFHA will allow buyers to digitally sign some disclosures, but sellers have to wet sign.You can't digitally sign a deed - because it has to be notarized.