Placing positiins

Hi everyone
When I’m placing trades, I’m getting confused knowing what amount of units to place
I’ve done the pups school and want to ouch on the demoing, but I’m stuck !
Is it something to do with the lots etc and is the units always the same amount
Thanks

Here is one of the many posts on this forum which address the question of position size —

http://forums.babypips.com/newbie-island/40993-question-calculating-position-sizes-article.html#post284192

I think you will find answers to your questions there. If you need more help, post again.