The side hustle can be overtime, Uber/lyft, door dash, etc.

Roof-topping is the less awesome offshoot of BASE jumping, in which adrenaline junkies climb towers, antennas, and other tall things, minus the parachutes, in order to create social media posts.

These types will pool investors' money, give fractionalized interests, have no reserves and carry out risky deals with a smile, slap on the back,  a dash of hype on a promise.

I think adrenaline is a good thing, It makes you analyze and not be careless. 

Tatsiana,You have to take the news on "getting harder" with short-term rentals with a large dash of salt - the Spanish have a very established history of operating in "grey" areas (or black, for that matter -  official estimates peg roughly 30% of GDP to be in "black" money right now), and especially when it comes to vacation rentals, so any governmental moves towards regulating these would be seen as an imposition.

Its like sampling a NFL players 40 yard dash but for apartment underwriting.

They weren't given time to answer and when you're grabbed, the first thing your body does is flush adrenaline to prepare you for injury.

The hormones released when you feel stressed, such as cortisol and adrenaline, put your body into fight or flight mode.

Many times lawyers will dash off a letter to a landlord with ridicules statements that are contrary to the regulations simply to appease a disgruntled client.

I know my "why" I know my numbers already, the motivation is there, listening to him gives most ppl the adrenaline that they need.