I normally use a 30 min chart then a 15 min. But recently moved to shorter tf as stops were getting too expensive. I never never hold a trade overnight.
Unfortunately--99.9 % of analysts are clueless. Believe me -I`ve worked with quite a few of them. Thats one of the reasons the banks are in a mess. They employ kids and haven`t yet learned their errors. ( my grumble over)