You can allocate expenses to each property/LLC during your accounting processes, but make sure to maintain clear records and documentation for each expense related to the specific LLC.Detailed Tracking: As you scale up, accurate record-keeping becomes crucial.

As mega caps get dumped, you'll allocate some money into the (quality) of small caps and you'll see this tighten.

As part of  the refi, they can allocate funds from the advance to cover CRA.

Of that 50M, 25M was allocated for the construction of a new recreational faculty that has since been completed.

Allocate 10% for vacancy and maintenance.  

This can help allocate your resources to align with your long-term strategic plan.Better Budgeting and Management of Finances: Now that you have more cash flow upfront, your cash flow is more predictable.

Honestly, making the right decision to sell and allocate it somewhere with higher returns is even more difficult than buying.

I ran number multiple times but my estimation seems not great as I am not sure what percentage I should allocate monthly expenses as the recommandation is a range such as 5%~15%.

San Diego is expensive to Purchase, maintenance and cap ex is expensive, property tax at purchase is expensive in terms of dollars (average SFH prop tax at purchase is ~$1k/month in San Diego), new retail (MLS) purchases are negative cash flow when allocating properly for expenses, it is tenant friendly in terms of regulations but this is largely due to the big advantages LL have due to crazy low vacancy rates.  

Build a contingency budget into your plan by allocating an extra 10-20% for these surprises.To get ahead of potential problems, conduct thorough inspections from top to bottom before buying a property.