I have seen a few businesses recently where the owners bought their building 20+ years ago and it has appreciated much more than their business has grown. And they have not adjusted the rent they pay themselves. In one example a fair market rent would reduce their SDE 60% and in another it would reduce it 110%. Yes, they are basically working to pay themselves rent.
Ideas
1) Push for a fair market rent adjustment and pay fair market for the CRE.
2) Buy the business only and require a 10 year lease at the current low rate the owner paid themselves. With an option to buy the CRE at the end of the lease.
3) Buy the business like normal and then ask the seller to hold a note for the CRE at 1.5% interest and 25 years.
I doubt any of these would be acceptable to the seller since they have a broker. How would you handle this?