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Does girlfriend have too much savings, time to invest?
Congrats to your GF!  "How much" depends a lot on how stable her income tends to be. If she has stable salary @ $20K plus $5K-$15K in contract work, then having a larger EF is important. If she has a consistent track record of pulling in $35K each year with contract work, then she may still need a somewhat higher emergency fund to tide her over between gigs.  The rule of thumb is at least 3 months' expenses before you start investing for better returns. If she is reliant on contract work, then holding up to 6 months' expenses could be wise just in case she hits a slow patch with work.  After that emergency fund is covered, she can look at investment opportunities with varying levels of risk & return:  I would also recommend putting it down in writing "why" she's investing/saving. Is she saving up for an awesome vacation? Maybe that's why she really is so far above a normal EF. Does she want a new car? Maybe there's not really so much to spare. Bottom line: Assuming her monthly expenses are around $2K per month, she might have $4,000 to $5,000 that she could look to start investing "safely".