Looks like great place for investment. Am I missing something!?

[Hamidreza Rajabzadeh Oghaz]

Hello
I am pretty new to RE investment and in early stage of research. Having a family here got me interested to look for RE opportunities. 
I would like to run a scenario with you and some numbers to make sure I am not missing something. 

Assume an average 3bd 2 bath house in Columbia $150,000 (e.g. Forest Acres)
Down payment of %20 and estimate of closing and unexpected cost: Initial investment of $40,000
Mortgage ~6% and Tax rate (6% - Crazy!! :D) + Insurances: payment would not go over $1,600 
I have seen rents range around same price ($1,400-$1,800)

D this numbers make sense!?
If it does it looks like a great place to invest!
And would love to connect with people that help to make this dream come true. :) 
Thank you