Openvpn server and client on wrt1900ac

[gufus]

I've been using openvpn client with pay VPN services for years now.

I decided to setup both server and client on my wrt1900ac.

So ALL traffic gos through the vpn tunnel first

server
OpenVPN CLIENT LIST
Updated,Tue Jul 25 12:23:44 2017
Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since
client,68.146.242.193:42667,396165,374066,Mon Jul 24 16:01:34 2017
ROUTING TABLE
Virtual Address,Common Name,Real Address,Last Ref
10.4.1.2,client,68.146.242.193:42667,Mon Jul 24 16:01:35 2017
GLOBAL STATS
Max bcast/mcast queue length,0
END

client
OpenVPN STATISTICS
Updated,Tue Jul 25 12:24:48 2017
TUN/TAP read bytes,0
TUN/TAP write bytes,0
TCP/UDP read bytes,374332
TCP/UDP write bytes,396452
Auth read bytes,117008
pre-compress bytes,0
post-compress bytes,0
pre-decompress bytes,0
post-decompress bytes,0
END
Question

Whats the Advantages & Disadvantages with my setup?