From what Ive read, it looks like I may have to get a business certificate to do this in SF but Im not sure what that entails or what else is involved?

ALWAYS verify the unit count and Certificate of Occupancy with the AHJ (Authority having Jurisdiction) BEFORE purchase.

If you give them 30 days to get rid of the dogs, there will be comfort animal certificates in 2 days from an online site.

You have to find the areas that are either zoned for Hotel and Resort or have NUCs (non-conforming use) certificates. 

You must already know now you get 100% when you use your DD-214/certificate of eligibility! 

@Maynhia Stott Many states that sell tax lien certificates/liens allow counties to sell OTC - but it is up to the county to choose to do so.

The foreclosure would be finished well before I could even begin to start rehab, obtain permits, get a certificate of occupancy and find a tenant.

If you rent that out without a true Certificate of Occupancy, a tenant can sue you for ALL of their rent money back. 

The townhouse we are looking at has a Certificate of No Harassment in place, open violations and a vacate order.

The Phila.gov website says this is needed to get your wholesaler license:InsuranceYou must provide a Certificate of Insurance that includes the minimum amount:General Liability Insurance: $1,000,000 per occurrence