I don't do HELOC's but I do know of some Credit Unions that extend HELOC on investment property. 

BP just released a podcast featuring Avery Carl (Ep 517). 

If the Sellers are tight on money, after you have released all contingencies, you can authorize the escrow officer to release your deposit to the Sellers early so they can use the money to buy out the tenant.  

We do not offer discounted rates for extended stays.  

The policies are out there, but don't be surprised if a few agents say they can't do it.Now that we know you need a Homeowners policy for this deal, you will want to make sure you add a Landlord endorsement to the policy to extend Liability to the 3 rented units. 

Lease started 12/1/21 and they asked for an extended lease of 18 months. 

Apartments might be a little quicker than SF homes, but we have an actual slide deck (on a tablet) to walk them trough the main issues and we have significantly fewer issues with people that went through our formal orientation

Keep in mind that long-term appreciation can become a valuable ally in your investment strategy, so consider planning for a more extended holding period.

I suspect most people who flip houses over an extended period of time have ended up with a rental, or vice versa, I bet most people who want to buy and hold end up doing some form of flipping/major rehab at one point or another.Having just completed my first rehab, with relatively little experience in the construction trades, flipping is much harder and much more hands on than being just a landlord. 

That's an easy way to LOSE money.You could extend that "Buy the worst house in the..." adage to: "...best street that you can afford"!