When you're finished buying your first house, you can move in and begin work on furniture. Begin by taking nail and planks, and begin making Crude Wooden Furniture RS Gold. Once you've completed 14 of them , begin to make Regular ones in the 46th. After that is done, you can make 73 Oak Chairs as well as 102 oak armchairs. This will get you to level 33 in under an hour. However, for all resources you will need to invest around 200k gold. There aren't many quests that have minimal requirements to get you started with Construction but you can finish Tower of Life after level 10 Construction to gain a few easy 1k exp.
In this gap Oak Larders are in general most efficient ones. About 1800 planks are required to this step that will cost you less than 1mil. Although it sounds like a lot there are no other methods for raising at this stage. There will be a kitchen on your POH for the construction of this object.
These are one of the most efficient when it comes down to 99. To build a Mahogany table, you need an average of 20 hours to complete, and they cost around 200mil since a table is made from 6 mahogany planks. If you are not willing to spend that amount on construction to 99, there are other ways to achieve the max but remember that they wont be faster than this one.
There is an alternate method of reaching 99 Construction that we can suggest. You can build up your level by creating Teak Benches which is a highly click intensive process since you can almost simultaneously you can build one bench and then destroy the other. Making this kind of setup is two times less expensive than Mahogany Tables Buy RuneScape 2007 Gold, while the time to level is any less. If you're not averse to methods that have you constantly moving your fingers, this might bring some variety to your learning.