Most agree that this type of entity structure is quite beneficial if planning to own numerous properties.

They are both beneficial, for different reasons.The LLC can provide anonymity and it separates your personal assets from your investments.

In your situation, I can't think of one beneficial reason to refinance the current primary.

Hi all, Once you have enough property on rental and you think that's all, you need to diversify your investment portfolio, but you have no experience on stock or mutual fund or EFT, you just hear them. what would you do when you first investing something else besides real estate. buy a SP 500?

However, two Appeals Court decisions say you can allocate mortgage interest and property taxes differently, by treating actual rental occupancy days as rental days and all other days — including days of vacancy — as personal days.Before the TCJA, the Appeals Court method was often more beneficial because (1) it allocates more mortgage interest and property taxes to Schedule A (where you could usually fully write off these expenses as allowable itemized deductions under prior law) and (2) it allocates less mortgage interest and property taxes to Schedule E, which usually allowed you to currently deduct more of the other expenses allocable to rental usage (property insurance, utilities, etc.) on Schedule E when applying the rental income limitation.But after the TCJA changes, some vacation-home owners may benefit from using the IRS-approved method instead of the Appeals Court method.

There's a certain level of "I want it and I got to have it" you have to have to see that any position is beneficial.

I would research 2 of last 5 years rule and understand that, if you stand to make a large sum of money from selling your house, it would be beneficial to do it without having to pay capital gains tax. 

A relationship with a wholesaler is beneficial.

Maybe try utilizing your existing social network, where people you acutally know have mutual connections to whom you're reaching out to.

You may find it beneficial.