However, I do not think any of the forum escrow provide paypal escrow because it can be reversed.
Correct.
I’m at the point now where I want to buy a substantial amount and it is too much money for me to feel comfortable doing the same type of trade.
Continue with the smaller trades or do what "Rodeo02" mentioned
[on an exchange]...
What should I do or suggest to the seller? An escrow of some kind? Thanks for your help.
By doing that, the escrow provider can only protect your part of the deal
[since you're the one with reversible method] and not the other involved party
[seller] which means, it defeats the purpose of having a middle man for protection.
PayPal - regular Most world currencies 0 Extremely easy to charge back. Also, since trading bitcoin is against their ToS, good luck disputing the chargeback. Do not use.
On a side note:- Since I noticed some users posted an outdated list of escrow providers, here are the latest threads: