I am focusing on the short term flip initially, but now at least in my hometown, it seems like it became impossible due to the competitive investors.

Luckily my enthusiasm is impossible to crush, so I’ll just keep my nose to the grindstone until I find that first good deal.

Unfortunately, based on the conversations that I got from the forums I've visited, I personally concluded that the property taxes and cost of living are so crazy-high in NJ that it is nearly impossible to cash flow with rentals.

It's not impossible, but you just need to work harder. 

Although I graduateed on engineering university 7 and half ages ago, it is basically impossible to get a job.

Impossible to answer not knowing what state you are in. 

My wife is Venezuelan and her family owns an apartment in Caracas and a farm in the countryside that is 2,500 acres.It's basically impossible for them to sell for a variety of reasons.Squatters can take your property there and the government will not stop them. 

Realize they if you evict them it will be impossible to collect back rent or damages.

I've heard that it is just super hard (if not impossible) to build new SFR for less than $220K, even here in Houston. 

Managing them and making sure they are getting your project done (among the many that they may have) remotely can be nearly impossible.