To rephrase my question, if I put a house I intend to wholesale under contract for $100k, and find an end buyer who agrees to pay $130k, what prevents said buyer from doing a little digging and contacting seller and waiting out whatever option period me and seller agreed upon and saving $30k? 

I get to know bigger pockets and the real estate investing world last year.From that moment, I have been saving up.

The harsh reality is that deficit spending to meet interest obligations will accelerate, further reducing the purchasing power of existing USD in circulation and USD savings. 

You'll still need to do some of your own leg work when vetting tenants, but it's easy enough and will save you the ~10% management fee.

Marco has a great podcast with tons of valuable info as well.

House-hacking would be a great way to start with little money down, while you're working on saving capital.

I've been researching on digging well, electricity cost so I will dig more info.

Could I hire someone to do the foundation, utility connections and framing, then do the rest myself to save money?

If and when I assume the loan, I can rent it out for about $2200, which will generate about $835, no HOA and of course I will save some of that for maintenance/repairs and other expenses. 

If I had to guess a 401(k) would be more expensive and onerous than the taxes you would save.