good fences make good neighbors
solipsistically
self-seeking
skate one's lane
self-regarding
provident
concerning
sui iuris
numero uno
every miller draws water to his own mill
possession
keep one's own counsel
selfish
keep one's counsel
when the going gets weird, the weird turn pro
look after
procuration
contemplate one's navel
rational egoism
self-regard
mind your own beeswax
on one's own hook
self-determine
take one's custom elsewhere
look out for number one
bizzo
devil take the hindmost
what's it to you
hang a shingle
self-interested
under one's own steam
magpie
by-business
self-motivated
do well
take
had best
take up
gossip
self-involved
laissez faire
privatism
stake
own
one throat to choke
scratch one's own itch
individualistic
self-absorbed
look to
for one's own hand
shop talk
go over someone's head
off one's own bat
indaba
egoistical
self
transfer
entrepreneur
adventure
accept
assume
egocentric
on one's own account
ownness
egoistic
self-centred
take over
co-own
self-centered
bear
have
calculating
consignor
number one
consigner
ex proprio motu
possessionism
dominium
opportunistic
stockholding
self-minded
self-interest
commercial enterprise
key person risk
if you want a thing done well, do it yourself
egoism
enterpriser
tenement
self-concern
steal someone's thunder
time-serving
personal representative
egocentrism
self-centeredness