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system
should i worry too much about saving my 20% down before buying my first house?
user
the only problem that i see is that by not giving the 20% right away, you might need to pay pmi for a few months. in addition, in the case of conventional loans, i heard that banks will not remove the pmi after reaching 80% ltv without doing an appraisal. in order to be removed automatically, you need to reach 78% ltv.  finally, i think you can get a better interest by giving 20% down, and you can get a conventional loan instead of a fha loan, which offers the option to avoid the pmi altogether (on fha, you have two pmis: one upfront and one monthly, and the monthly one is for the life of the loan if you give less than 10%).
assistant