If budget is a problem, forget HD.
and have a different frame and front end structure that is good for nothing but being an electraglide.buy what you really want, otherwise you will was time effort and money building something that your heart is not really into
purchase price of bike is one thing, costs of modifying is another
it will cost about the same to modify what ever you buy
purchase price of hd or brit bike can be offset by reselling the bits you don't want on
usually overlooked but early evo electraglides are not popular and sell for sportster money