No one seems to have an clear answer to this question, I googled and watch many youtube videos.
What I gathered so far is it should be possible to use the chrome ether app to receive ERC20 tokens directly in my ether wallet but I need MEW to send tokens and check the balance, correct?
To my denfense I have not received my ledger yet and need to try it out myself, probably.
Yes that's correct. mew is used only to view or send eth/erc20 tokens. it's perfectly safe to use mew with ledger/trezor, before you make any transaction you'll be asked to confirm the same on your hardware device/wallet.
why'd you choose nano s over trezor?