Additionally, there are some very large cost disadvantages to building 3-4units now a days due to the differences in building codes from 1-2 unit and 3+ unit buildings.I also think financing come into it. 

What are the advantages and disadvantages of this new assessment?

Being an agent takes a decent amount of time to get up to speed and you have alot of costs to be part time [mls, e&o, marketing etc]The expectation of buyers and sellers are much different approach than buying for yourself.I was a top agent and switched to flipping [ but made enough commissions to get into flipping just because you might make $6000 as commission but $40k doing a flip, both have benefits and disadvantages and tax implications and if you work for a broker part time they take a good chunk of your commission. 

What are the advantage and disadvantage of buying a house with a pool in Houston Texas ?

@Sam WocelkaCheck out the advantages and disadvantages to active and passive investing in private real estatehttps://www.biggerpockets.com/member-blogs/11952-aussies-do-commercial-real-estate/84915-investing-in-private-real-estate-active-vs-passive-investing

- Other than the SHORT TERM tying up of the money, what are the disadvantages of this route?

That's a disadvantage on their side.How many units are coming online, how is the local population growing, and what are current vacancy rates? 

Lastly sellers as a whole know FHA 203K loans take longer to settle and have a lower chance of approval so your offer going in as at a disadvantage.

Reason being is that if the tenants balk at that and you need to go to court you are at a serious disadvantage.

One disadvantage is that the HVAC is on the main living floor and tends to be noisy.