My health and medicine comes before everything else.)

A service dog is much, much different than an emotional support animal.Tenantresourcecenter: "Landlords can only deny the service animal or emotional support animal if: the tenant is not disabled or does not have a disability-related needthe tenant fails to provide requested documentation allowed by this lawthere is undue financial or administrative burden or would fundamentally change the services providedthe specific animal “poses a direct threat to a person's health or safety” that cannot be reduced or eliminated by another accommodationthe specific animal would cause substantial physical damage to the property that can’t be reduced or eliminated by another accommodation.

From what I understand/read, it has to be hardwired OR have a sealed 10 year battery.

Check with your local health department to confirm the septic capacity.  

You'll likely want an entire estate plan drafted including wills and health care directives and powers of attorney, etc. as well. 

Such as getting Health insurance via an S-corp.

Any possibility of reimbursement by your health insurance?

I think you can replace "Investing" in your question with anything:  "How do you balance work, family, and [investing, my health, starting my business, caring for my aging parents, etc]?"  

I don't want the mold in the attic to start causing health problems as well as the squirrel that's probably ******** everywhere in the attic.

Admittedly, there are voucher participants with health and wellness issues that have limited their situation, but those cases can be handled in a different way as well.Stepping down of my soapbox... thanks for the conversation about it!