If one intends to make a first time investment into any venture,
it is always wise to seek professional advice from experts and brokers who can help you plan, execute, and manage ones investments into any area, so that one would attain their investment goals faster irrespective of the region of residency.
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You are right @Cryptomultiplier, before someone can be successful in their company, job or any business, they need to silently or verbally learn from superiors who have gone through that same area of work before them. If you can not meet the person you want to learn from so that you can interview them and ask them question with you intention made known to them, then you can learn by silently observing them. Some people just take the decision upon themselves to go into investment without even learning the cons and pros of that investment, it is risky to do that.
Yeah that's very true you can easily learn from the past mistakes which are being done by the supervisors and you can learn from them. This will ultimately reduce the time that you will take to climb the stairs of success.
Look they have payed by the cost of time to the mistake that they had done in the past. They have reached upto a mark where they could have reached earlier if they wouldn't have done the mistake. Now it's In our hands that we can learn from their mistakes and take less time to get more success.