If u hv the inclination and the time , go for it yourself. You will save money . If you want real professional job , hire a professional painter , but never never on daily basis , purchase the paints and fix a lumpsum rate . Big fishes like Berger, Asian Paints also have got their own schemes, just try their quotations.
i will give u a better Idea..If u have a BF u can shift that responsiblity to him..let him break his head u can just relax, another advantage is...u r house gonna be painted with no money spent by You!! lolz..try