I don't hold them in my portfolio but I do wholesale them to other investors since the discounts are deeper.  

House hacking can be a very valuable strategy to build a real estate portfolio.

In order to pay off the gap lender you'll have to be able to create some equity and pull it out, from that property or another in your portfolio.

Is it wise to buy some units with high cash flow and low appreciation, and others with lower cash flow but high appreciation to diversify my portfolio?  

In my experience, most people are better off just trying to sell their portfolio and buy a larger asset.

I found Stessa and Digb to be the best options for organizing real estate portfolio and taxes, cheaper, and real estate focused.   

There are several different types of income in the US tax code.Two main types are “active income” and “passive income".Active income is money you earn from working, such as wages from a W-2 job or income from running a business.Passive income is money you earn from investments like real estate, stocks, or rental income from your RE portfolio where you earn $ without actively working.Normally, you can't use passive losses (like losses from real estate investments) to offset active income like your salary from a W-2 job.That is unless you are an RE Pro.The reality is, that Real Estate Pro status is just a filing status similar to filing married or jointly.And if you are a real estate professional you CAN use passive real estate losses to offset active income from other sources.To qualify as an RE Pro you must:1.

Option 1: Seek out a portfolio lender and/or look at better asset types - commercial. 

So ideally, we are just building portfolio or wealth until then.do we sell and put money in the market? 

My partners and I (3 of us) are based in Miami FL (not the easiest market at the moment) we are all realtors / brokers and investors, each have 20+ years of experience down here, have done multiple ground up single Family and duplex builds and currently have a portfolio of single fam and duplex properties.