As investment-analysis concluding to 2 systems, Fundamental analysis & Technical analysis.
and i choose 'Technical analysis' (my personal reason).
after work around with 'indicator', i doubt myself, 'is Technical analysis can really used? is it really work?', but after i found 'price pattern' technique, i realized, Technical analysis is (possible) work but 'indicator' had some 'hole'.
As MACD for example, it's might work in long term investment, but in some period of time it's act weird, very very weird! like opposite where it should be. and after i study 'price pattern', i found out that, during side-ways MACD always act opposite! so it's works but not by itself, because MACD can not tell, which period is now, side-ways, up-trend or down-trend. so it's need to work with 'price-pattern'.
The interesting thing i found in 'price pattern' is, it can use with any type in investments, i mean 'commodity'(gold,oil), 'forex', 'stock' even 'cryptocurrency' (but to be aware, 'cryptocurrency' in my opinion are just envelope, nothing more, and 'investment in cryptocurrency' are 'ponzi scheme' because there is no product, just the price from the money that put in.)
I used technical tools that's provided by broker, and also 'tradingview' with basic plan (with chart price delay).
in case to introduce to 'Price-pattern', i will use 'tradingview' because everyone can access to it with 'Google' or 'Facebook' account. (with basic plan, which is free to use.)
training within 60 mins time frame but used in day/week/month time frame might be more practical.