Sentence 1: Tim always wanted to build a house. 
 Sentence 3: He designed the layout himself 
 Sentence 4:  It wasn't until he met an architect that he realized why he couldn't 
 Sentence 5:  Instead he payed someone else to do a better job 
 Option 1: Tim built the house with his bare hands and lived there for decades. 
 Option 2: He saved up money to buy a good plot of land.