Basically the idea of this post is to give an effective solution to avoid depending on these ads.
Let's take it one step at a time:
In this first image you can see that to repair one of my cars I have to spend 9 parts, the same for the other car. In other words, to repair both cars I need 18 parts.
Another of the data shown on the screen is the amount I currently own.
That quantity (122 Parts) is thanks to the good administration that I carry daily, I never spent real money to buy pieces and much less "take advantage" of a post to order parts a few months ago, the key was to play to maintain my equipment without depending on anything or anyone.
One of the keys is to spend the game money on things that are worthwhile.
The Headquarters is fundamental, not only does it help you improve the performance of the Kers and DRS, it gives you design points to improve the car, you have a place of your own to sign excellent future drivers as well as to train them effectively, in addition to being able to generate parts to repair your cars.
The most important thing is to reach the five stars in each area, there is no rule of what you must improve first, each manager has a different need, so you can choose at ease which area needs to get to the top first.
If parts are needed, it goes without saying that the first thing to update is the Manufacturing area.
As you can see in the image below, I have the maximum possible installation. The maximum level of the installation is determined by the level of manager, in my case I am level 16, so the top of each area in Headquarters is level 16.
It indicates how many parts my Manufacturing generates race by race. Currently 16 parts per race.
Surely you have noticed that I generate fewer parts than I have to spend. If we do the math, there will be a point where I run out of parts... but there is a solution to that problem.
This is the last part, is the "salvation" to maintain the proper functioning of the team during the championship and devote more attention to specific things that make the car faster, avoiding the anger for not being able to repair the car to missing parts, without the possibility of watching videos and resigning again to lose the season.
Currently my team is in Elite, honestly the categories do not matter much, as they only serve to subdivide the league and can compete normally. If you are in Elite it means that the top of design points in each area is 100 points.
Generally the points are inverted in four areas that are main for the car to be competitive, Acceleration, Braking, Downforce and Handling.
If we take into account the lack of parts we can never be competitive, no matter how much we reach the top in the four main areas. For that reason we will have to investigate more and / or invest design points so that the car to have to be repaired, needs less quantity of parts.
If the headquarters in my case generates 16 parts and, to repair each car after improving the reliability design I must spend 7 (7 parts car one + 7 parts car two = 14 parts expense. 16 pieces generated in the Manufacturing - 14 that I need to repair the car = I will have 2 parts in favor that will accumulate race by race, the more design points invested in reliability will be less expenditure of parts for each car), I get to have a livelihood that, with the passage of the seasons and keeping a good administration, I will not depend on watching videos to get parts.
This is not achieved overnight, it is a matter of perseverance. We have to learn to accept that we made a mistake by mismanaging our account, and we can get ahead, because the game allows it.
I hope this explanation serves you well.
Greetings