As others have commented - DSCR Loans tend to be a great solution for people in your exact scenario - fed up and tired of giant hassle and paperwork for conventional or bank financing - not worth the often pretty small benefit in rate or terms.Check out this article I published last year on BiggerPockets on what to expect documentation wise for DSCR Loans - they have become a nice blend between solid underwriting and doc sets needed, but not too much (and not too little like notorious "no doc" loans)https://www.biggerpockets.com/blog/what-documents-do-you-nee...

Tax Write Offs: There are certain tax benefit to house hacking because you blend benefits of primary residence with rental income.

We leave tp and spices, we purge all spices yearly and and provide a few and at the end of the year there is always a good blend.

The downside is that these loans have higher rates and a first position refinance would have, but you have to look at your blended rate to see how they stack up against each other. 

By choosing items that blend style, durability, and functionality, you’ll set yourself up for success.

. 😊  I've been thinking more about your question based on my LA experience, and some great advice I've read from three days of lurking here on BP from some RE veterans, based less on my fantasy but more on what I would do with your idea to start out at 1.5 and move into 3-5 million houses.First, it's all going to come down to your goals, here's a quote about that from Don Konipol (from the forum post https://www.biggerpockets.com/forums/519/topics/1150499-the-...Quote from @Don Konipol:IMO, the financial reasons for investing in real estate include 1- Asset Preservation2- Increase Wealth3- Current Income4- Tax MinimizationWhile these four are not mutually exclusive, the more you benefit in one area the less will be the benefit in the others, given normal market conditions, unless you uncover something everyone else has missed.

After that, you may be subject to other forms of inspections that uncover more.

For me, it's a great blend of banking, bookkeeping and tenant management software.

As an aspiring real estate investor with a background in financial marketing and mortgage insurance, I bring a unique blend of skills to the table.

Here's what would be great to share:The unexpected: Did you uncover any surprising elements during the flip?