expert market

 
There are 114pages of mt4 expert advisors, are all these products checked or verified? , some are expensive some are cheap, but there main aim is to make profits according to the way they have been designed by their authors.
 

"some are expensive some are cheap" ... are you talking about Market products?
Because there are free EAs in CodeBase (totally free). 
And there are free EAs in the Market as well (20 pages).

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But the discussion about the Market products is prohibited on the forum sorry.

 

Just some information about the Market - 

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how can i down load an expert advisor for demo testing from the market
https://www.mql5.com/en/articles/586 

Forum on trading, automated trading systems and testing trading strategies

market

Sergey Golubev, 2016.08.01 06:58

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How to buy a Trading Robot in MetaTrader Market?
The process of purchasing

Everything starts with the Activation in the Market. When you buy a product you do not actually get the product itself but the right to use it an unlimited number of times, but on a limited number of computers. This parameter is set for each paid product individually and it is disabled for free products.

After one activation you can use the product on a computer without any restrictions. You will not be able to download the copy of the product on another computer. If you installed the file manually, you will not open it either. Number of activations can be found on the page with a detailed description of the product in the column with its specifications (described above).

How to Test a Trading Robot Before Buying
Buying a trading robot on MQL5 Market has a distinct benefit over all other similar options - an automated system offered can be thoroughly tested directly in the MetaTrader 5 terminal. Before buying, an Expert Advisor can and should be carefully run in all unfavorable modes in the built-in Strategy Tester to get a complete grasp of the system, seeing that every Expert Advisor offered on MQL5 Market has a demo version available.

TIPS FOR PURCHASING A PRODUCT ON THE MARKET. STEP-BY-STEP GUIDE 

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How to Post a Product in the Market 

Tips for an Effective Product Presentation on the Market 

Forum on trading, automated trading systems and testing trading strategies

how to download utility tool from the market

Sergey Golubev, 2018.11.28 07:29

If you are on Windows (because the Market does not work for Linux and Mac) so you are able to download  (I hope) - just use the following steps - 

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and finally - you will see this tool (it is the script) here - 



How to Test a Trading Robot Before Buying
How to Test a Trading Robot Before Buying
  • www.mql5.com
Buying a trading robot on MQL5 Market has a distinct benefit over all other similar options - an automated system offered can be thoroughly tested directly in the MetaTrader 5 terminal. Before buying, an Expert Advisor can and should be carefully run in all unfavorable modes in the built-in Strategy Tester to get a complete grasp of the system...