Your extensive knowledge in flipping, contracting, property management, and private money lending will surely be a huge asset to the community.

@Joe BellevilleTo build a successful multifamily property portfolio in Grand Rapids, set criteria for property type, location, and budget, build a team, analyze deals using the 1% rule, leverage house hacking, leverage local knowledge, prepare for tenant management, network, and focus on long-term goals.

As long as it is not over 25% of the going rate, Id happily pay extra for a knowledgeable person to help me make my problem go away.

I think the person in the mirror has reached the top of the knowledge limit and needs someone that is an expert to move me to a higher level. 

Should you know or be aware of such knowledge?

That safety net can ease the fear.Tap Your Network: Got a mentor or someone in your circle who's done this before?

The best advice on this topic, in my opinion, comes from 2 books:How to win friends and influence peopleNever eat aloneI am also looking for brokerages to work with or even experienced shadow / intern for to gain experience and additional knowledge.

@Ibrahim AtoumIf you're starting house hacking at 20, focus on building your knowledge and financial readiness.

The best way to estimate expenses is experience and knowledge of your specific asset type and market.For vacancy, that will depend on your market and the quality/desirability of your type of unit.

Then, as you buld knowledge & experience you can do bigger projects.3) The two above strategies can build funds to invest in rentals.