€11,040 is not automatically too little, but it is too little to assess in isolation. If income replenishes the account quickly and the inspection is quiet, it may be workable. If moving consumes most of it and monthly costs leave little surplus, even a lower-priced apartment could still feel tight.
What makes the comparables genuinely comparable: detached, one bedroom, similar condition, location and included services? Also, how long has this tenant been paying €3,719, and have previous increases or substantial maintenance been deferred? Those facts affect whether this is a routine annual...
Searching from Dubai makes an old advert or unreliable alert more than a minor annoyance, because arranging the next step around Amsterdam takes time. I have been using Daft to look for a condo, and there is plenty to browse, but the same property can appear repeatedly, availability is not...