IMO, depende eh: sa industry kung saan naka linya yung, sa line of work mo, sa skill-set/comptencies mo, sa experience mo and some others.

Let's say nasa sales ka, it's possible that your base salary is 5K only pero entitled ka sa commissions. Therefore, yung pag-laki at pag-liit ng sweldo mo eh depende sa sales for for the previous month - at kung naka quota ka.

Kung nasa consultancy work ka, pwede ring 5K lang a month ang retainer fee mo sa company - depende sa agreement e.g. once a month ka lang magpapakita, any additional work would require additional compensation.

Sa 'kin lang, medyo maraming variables to consider.

Pero at 5K/month in perpetuety, medyo lugi ka dyan - kung yan lang ang binibigay sa 'yo ng company, period. However, kung may commissions ka at similar perks, yung increase/decrease ng pay mo eh depede sa performance mo.